Current weather · Sep 26, 10:49 PM CDT

29.4680, -101.0110

90°

Mostly CloudyFeels like 93° · Humidity 46%NWS forecast for this hour; no recent station reportForecast by NWS Austin/San Antonio, TX · grid 30,60
High
95°
Low
78°
Rain today
4%
Sunrise
7:35 AM
Sunset
7:35 PM

Hour by hour

NWS forecast grid

Scroll sideways for more hours. Pick an hour for every number.

Every hour as a table48 hours
TimeWeatherTemperatureFeels likeDew pointHumidityChanceAmountSnowDirWindGustSky coverThunderPressureVisibilityCeiling
Sat 10 PM90°93°67°46%3%ESE7 mph10 mph55%3%—10 mi-100 ft
Sat 11 PM89°92°67°49%3%ESE7 mph9 mph67%3%—10 mi-100 ft
Sun 12 AM88°91°67°51%3%SE7 mph9 mph55%3%—10 mi-100 ft
Sun 1 AM86°90°68°54%3%SE7 mph9 mph42%3%—10 mi-100 ft
Sun 2 AM85°89°69°59%3%SE7 mph8 mph40%3%—10 mi-100 ft
Sun 3 AM84°87°68°59%3%SE7 mph9 mph56%3%—10 mi-100 ft
Sun 4 AM83°86°68°61%2%SE8 mph10 mph55%2%—10 mi-100 ft
Sun 5 AM81°84°68°64%2%SE9 mph13 mph39%2%—10 mi-100 ft
Sun 6 AM79°79°69°72%2%SE10 mph13 mph30%2%—10 mi-100 ft
Sun 7 AM79°79°70°74%2%SE10 mph13 mph39%2%—10 mi-100 ft
Sun 8 AM78°78°71°79%2%SE10 mph13 mph34%2%—10 mi-100 ft
Sun 9 AM79°79°71°77%2%SE10 mph13 mph33%2%—10 mi-100 ft
Sun 10 AM81°85°72°74%1%SSE10 mph14 mph46%1%—10 mi-100 ft
Sun 11 AM83°88°72°70%1%SSE10 mph14 mph50%1%—10 mi-100 ft
Sun 12 PM85°91°72°65%1%SSE9 mph13 mph56%1%—10 mi-100 ft
Sun 1 PM88°95°72°59%1%SSE8 mph13 mph43%1%—10 mi-100 ft
Sun 2 PM89°96°72°57%1%SE8 mph13 mph30%1%—10 mi-100 ft
Sun 3 PM91°98°71°52%1%SE7 mph13 mph51%1%—10 mi-100 ft
Sun 4 PM93°99°70°47%2%SE7 mph13 mph36%2%—10 mi-100 ft
Sun 5 PM93°98°69°46%2%SE7 mph13 mph39%2%—10 mi-100 ft
Sun 6 PM93°97°68°44%2%SE8 mph12 mph46%2%—10 mi-100 ft
Sun 7 PM94°99°68°43%6%SE8 mph12 mph59%6%—10 mi25,000 ft
Sun 8 PM93°98°69°46%6%SE7 mph9 mph47%6%—10 mi-100 ft
Sun 9 PM90°95°69°50%6%SE6 mph9 mph40%6%—10 mi-100 ft
Sun 10 PM89°94°69°52%0%SE7 mph9 mph28%—10 mi-100 ft
Sun 11 PM88°92°68°52%0%SE7 mph10 mph38%—10 mi-100 ft
Mon 12 AM86°89°67°53%0%SE7 mph10 mph39%—10 mi-100 ft
Mon 1 AM85°88°67°55%0%ESE7 mph10 mph20%—10 mi-100 ft
Mon 2 AM84°87°68°59%0%SE7 mph9 mph22%—10 mi-100 ft
Mon 3 AM83°86°68°61%0%SE7 mph9 mph44%—10 mi-100 ft
Mon 4 AM81°83°67°63%1%ESE8 mph12 mph26%1%—10 mi-100 ft
Mon 5 AM80°82°67°65%1%SE10 mph13 mph22%1%——
Mon 6 AM79°79°68°69%1%ESE10 mph14 mph16%1%——
Mon 7 AM79°79°68°69%0%ESE10 mph14 mph7%——
Mon 8 AM78°78°70°76%0%SE10 mph13 mph4%——
Mon 9 AM79°79°71°77%0%SE10 mph14 mph13%——
Mon 10 AM80°83°71°74%0%SE12 mph15 mph21%——
Mon 11 AM82°86°71°69%0%SE12 mph15 mph21%——
Mon 12 PM84°89°71°65%0%SSE10 mph15 mph21%——
Mon 1 PM87°93°71°59%0%SSE10 mph15 mph21%——
Mon 2 PM89°94°70°54%0%SSE10 mph16 mph26%——
Mon 3 PM91°97°70°50%0%SE10 mph16 mph30%——
Mon 4 PM93°98°69°46%0%SE10 mph17 mph35%——
Mon 5 PM94°99°68°43%0%SE10 mph17 mph36%——
Mon 6 PM94°99°68°43%0%SE12 mph17 mph38%——
Mon 7 PM94°98°67°41%0%SE12 mph17 mph39%——
Mon 8 PM93°97°67°43%0%SE12 mph17 mph45%——
Mon 9 PM91°94°67°45%0%SE13 mph18 mph51%——

The next 16 days

NWS grid published Sep 26, 7:42 PM CDT to day 8, the National Blend of Models to day 11, the mean of GFS, ECMWF, ECMWF AI to day 16
  1. TodaySep 2695°78°Mostly Cloudy4%wind 10 mph · gusts 16 mph
  2. SunSep 2795°78°Mostly Sunny6%wind 10 mph
  3. MonSep 2895°78°Sunny1%wind 14 mph
  4. TueSep 2993°77°Partly Sunny24%0.02 inwind 17 mph · gusts 25 mph
  5. WedSep 3091°73°Chance Showers And Thunderstorms51%0.40 inwind 17 mph · gusts 24 mph
  6. ThuOct 186°70°Showers And Thunderstorms Likely60%0.88 inwind 9 mph
  7. FriOct 284°68°Chance Showers And Thunderstorms36%0.39 inwind 7 mph · gusts 13 mph
  8. SatOct 385°71°Slight Chance Showers And Thunderstorms21%0.06 inwind 6 mph
  9. SunOct 485°67°National Blend27%0.26 inwind 8 mph
  10. MonOct 582°66°National Blend21%0.10 inwind 7 mph
  11. TueOct 683°66°National Blend17%0.02 inwind 6 mph
  12. WedOct 7~81°62°Model mean
  13. ThuOct 8~81°64°Model mean
  14. FriOct 9~80°64°Model mean0.02 in
  15. SatOct 10~83°66°Model mean
  16. SunOct 11~81°68°Model mean

Right now

NWS grid for this hour · UV from the EPA · air quality from AirNow
  • Feels like93°
  • WindESE 7 mphgusts 10 mph
  • Radar over this pointno reading
  • Humidity46%
  • Dew point67°
  • Pressure—
  • UV index—
  • Air quality—
  • Visibility10 mi
  • Sunrise and sunsetSunrise · Sunset · set
  • Moonrise7:32 PMMoonset 7:29 AM
  • Moon phaseFull moon100% lit

The National Blend of Models

NOAA NBM v5.0 · run of Sep 26, 7:00 PM CDT

NOAA’s weighted blend of every model it runs, to eleven days, with the chances the grid above does not carry. Where the local office’s grid reaches, its figure sits beneath the blend’s; where it does not, the blend stands alone.

  1. TodaySep 26—78°NWS grid 95° / 78°rain 5%thunder 14%wind 8 mph
  2. SunSep 2795°78°NWS grid 95° / 78°rain 7%thunder 16%wind 10 mph
  3. MonSep 2895°78°NWS grid 95° / 78°rain 3%thunder 10%wind 13 mph · gusts 18 mph
  4. TueSep 2993°77°NWS grid 93° / 77°rain 39%thunder 12%0.13 inwind 17 mph · gusts 25 mph
  5. WedSep 3091°73°NWS grid 91° / 73°rain 65%thunder 37%0.53 inwind 20 mph
  6. ThuOct 185°70°NWS grid 86° / 70°rain 63%thunder 34%1.20 inwind 10 mph · gusts 16 mph
  7. FriOct 282°68°NWS grid 84° / 68°rain 39%thunder 21%0.92 inwind 9 mph
  8. SatOct 383°69°NWS grid 85° / 71°rain 24%thunder 14%0.07 inwind 7 mph
  9. SunOct 485°67°Beyond the NWS gridrain 27%0.26 inwind 8 mph
  10. MonOct 582°66°Beyond the NWS gridrain 21%0.10 inwind 7 mph
  11. TueOct 683°66°Beyond the NWS gridrain 17%0.02 inwind 6 mph
  12. WedOct 785°—Beyond the NWS gridrain 12%wind 5 mph
68°82°95°SunMonTueWedThuFriSat

BlendNWS gridChance of rain, hourly

The models, side by side

HRRR Sep 26, 7:00 PM CDT · GFS Sep 26, 1:00 PM CDT · GEFS Sep 26, 1:00 PM CDT · ECMWF Sep 26, 7:00 AM CDT · ECMWF AI Sep 26, 7:00 AM CDT

Each line is one model’s own forecast at its own grid cell: three kilometers for HRRR, a quarter of a degree for the global models, which can sit a few hundred meters above or below the town. Where they agree the forecast is settled; where they part is where it is not.

59°82°104°SunMonTueWedThuFriSat

DayNWS gridHRRRGFSGEFSECMWFECMWF AI
Today Sep 2695° 78°~94° 86°~96° 85°0.04 in~96° 86°93° 79°~95° 79°
Sun Sep 2795° 78°98° 77°96° 77°97° 77°96° 80°0.01 in~95° 79°0.02 in
Mon Sep 2895° 78°95° 75°96° 76°96° 77°95° 80°0.02 in~95° 78°
Tue Sep 2993° 77°0.02 in—96° 75°0.01 in92° 75°0.22 in94° 78°~94° 78°
Wed Sep 3091° 73°0.40 in—96° 77°0.26 in90° 76°0.47 in93° 79°~93° 79°0.54 in
Thu Oct 186° 70°0.88 in—90° 75°0.38 in87° 73°0.33 in89° 75°0.79 in~86° 71°0.84 in
Fri Oct 284° 68°0.39 in—81° 71°0.22 in83° 72°0.53 in~82° 75°0.32 in~82° 72°0.03 in
Sat Oct 385° 71°0.06 in—88° 71°0.07 in84° 71°0.20 in~84° 73°0.04 in~84° 68°
Sun Oct 4——86° 72°85° 71°0.11 in~83° 70°~88° 69°
Mon Oct 5——81° 65°80° 70°0.20 in~75° 67°~86° 72°
Tue Oct 6——76° 60°~74° 66°0.06 in~75° 68°~84° 66°
Wed Oct 7——~81° 61°—~76° 64°~85° 61°
Thu Oct 8——~78° 66°—~78° 64°~87° 62°
Fri Oct 9——~76° 64°0.05 in—~80° 64°~85° 63°
Sat Oct 10——~81° 70°—~83° 65°~84° 63°
Sun Oct 11——~81° 68°—~74° 69°~68° 61°

A ~ marks a high or low read from six-hourly steps, which miss the true extreme by a degree or two.

ECMWF ensemble meteogram

ECMWF ensemble meteogram for this place: box plots of cloud cover, precipitation, wind speed and temperature from the 51 ensemble members for ten days.
Rendered by ECMWF from its 51-member ensemble, in metric units: each box spans the middle half of the members, the whiskers the rest, the line the control run. A forecast, not an observation. © ECMWF, CC BY 4.0.

The next 90 days

NOAA GHCN normals and records at Del Rio International (Aut) (DRT) · Climate Prediction Center outlooks

No forecast has skill day by day past about two weeks, and this page does not print one. Where the models stop, the calendar takes over: the 1991 to 2020 normal for each date, the record high and low ever set on it, and where the Climate Prediction Center leans warm, cool, wet or dry over the coming weeks, the month and the season. A site that shows a high for a date three months out is showing you this normal with a wobble.

The forecast reaches Sun Oct 11, from the NWS grid, then the National Blend, then the mean of the global models. Beyond it the lines are the calendar.

Climate Prediction Center (CPC) temperature leanwarmer 33% · Oct 2026equal chances · Oct to Dec20°40°60°80°100°TodayOct 1Nov 1Dec 1

Forecast high and lowNormal high and lowRecord high and lowCPC leans warmer than normalCPC near normal or equal chances

Week ofNormalWarmest on recordColdest on recordTemperature leanPrecipitation lean
Sep 2687° / 65°106° (2005)48° (1970)no outlookno outlook
Oct 387° / 66°106° (1979)39° (1976)near normal most likely · days 6 to 1050% chance above normal · days 6 to 10
Oct 1085° / 64°103° (2020)41° (1974)33% chance above normal · Oct 202640% chance above normal · Oct 2026
Oct 1783° / 62°99° (1993)34° (1976)33% chance above normal · Oct 202640% chance above normal · Oct 2026
Oct 2477° / 56°99° (2010)32° (1993)33% chance above normal · Oct 202640% chance above normal · Oct 2026
Oct 3174° / 54°96° (1988)28° (1993)equal chances · Oct to Dec40% chance above normal · Oct to Dec
Nov 774° / 55°93° (1980)30° (1987)equal chances · Oct to Dec40% chance above normal · Oct to Dec
Nov 1472° / 48°89° (1983)25° (2018)equal chances · Oct to Dec40% chance above normal · Oct to Dec
Nov 2169° / 46°90° (2024)25° (1993)equal chances · Oct to Dec40% chance above normal · Oct to Dec
Nov 2867° / 44°90° (1975)22° (1976)equal chances · Oct to Dec40% chance above normal · Oct to Dec
Dec 567° / 44°90° (2021)23° (2011)equal chances · Oct to Dec40% chance above normal · Oct to Dec
Dec 1266° / 41°91° (2019)20° (1985)equal chances · Oct to Dec40% chance above normal · Oct to Dec
Dec 1964° / 40°89° (1955)10° (1989)equal chances · Oct to Dec40% chance above normal · Oct to Dec

Health and activities

Rules of thumb over the next 24 hours of forecast, the warnings in force, the station’s report, air quality and pollen

None of these is a measurement. Each is a rating of the forecast ahead, and of what is happening at the point right now, against what the activity or the ailment is known to mind, and each names the figure that decided it. An ailment or a pest is rated as a risk, low to extreme; an activity, a chore or a journey as a condition, poor to ideal.

The sun is down, so each rating says which span it is for: tomorrow’s daylight, tonight, or the next 24 hours.

Health

  • Arthritisnext 24 hLowsteady conditions
  • Sinus pressurenext 24 hLowsteady conditions
  • Common coldtomorrowLowmild
  • FlutomorrowLowmild
  • Migrainenext 24 hModerateheat
  • Asthmanext 24 hLowclean air
  • Heat stresstomorrowVery highheat
  • SunburntomorrowLowweak sun
  • Frostbitenext 24 hLowmild
  • SleepingtonightFairwarm night

Outdoors

  • RunningtomorrowFairhot
  • HikingtomorrowGoodhot
  • BikingtomorrowVery goodhot
  • GolftomorrowVery goodhot
  • FishingtomorrowIdealfine conditions
  • Boating and paddlingtomorrowIdealfine conditions
  • Beach and pooltomorrowIdealfine conditions
  • CampingtonightIdealfine conditions
  • StargazingtonightPoormostly cloudy

Travel

  • Air travelnext 24 hIdealclear skies
  • Drivingnext 24 hIdealclear roads

Home and garden

  • Lawn mowingtomorrowIdealfine conditions
  • GardeningtomorrowIdealfine conditions
  • Outdoor entertainingtomorrowVery goodhot
  • Drying laundry outsidetomorrowIdealfine conditions
  • Painting and outdoor projectstomorrowIdealfine conditions
  • FrosttonightLowmild

Pests

  • MosquitoestomorrowHighwarm
  • TickstomorrowHighwarm
  • Indoor pestsnext 24 hLowmild
  • Outdoor peststomorrowHighwarm

Stargazing

Worked out from the NWS hourly forecast and the sun and moon

Tonight has no dark, clear hour without a bright moon in this forecast. Rated poor.

Night ofRatingDarkClear hoursClear and moonlessMoon litTransparency (est.)DewStrongest wind
SaturdayPoor8:55 PM to 6:16 AM0 of 9None100%9 mph
SundayPoor8:53 PM to 6:17 AM1 of 9None98%Good10 mph
MondayPoor8:52 PM to 6:17 AM0 of 9None93%17 mph
TuesdayPoor8:51 PM to 6:18 AM0 of 9None87%17 mph
WednesdayPoor8:50 PM to 6:18 AM0 of 9None79%8 mph
ThursdayPoor8:48 PM to 6:19 AM0 of 9None70%5 mph
FridayPoor8:47 PM to 6:19 AM0 of 9None60%1 h6 mph

Dark is the sun 18 degrees below the horizon; where it never gets that low, 12 degrees, marked nautical. Clear is sky cover of 20% or less. A bright moon is one above the horizon with a quarter or more of its disc lit. Transparency in the table is estimated from surface humidity (70% and 85% mark fair and poor) and visibility, since the forecast carries no haze or high cloud moisture. Seeing and transparency by hour, where shown, are Environment and Climate Change Canada’s astronomy forecast (regional model; seeing from cloud, wind shear, turbulence near the ground and the surface temperature trend; transparency from the moisture through the whole air column), under the Open Government Licence - Canada. Dew is the air within 2 °C of its dew point. Excellent is four or more clear moonless hours with good transparency; good is three; fair is one, or two clear hours.

Golden hour and blue hour

Computed from the sun and moon positions
DayBlue hour, morningGolden hour, morningGolden hour, eveningBlue hour, evening
Sat7:11 AM to 7:20 AM7:20 AM to 8:06 AM7:04 PM to 7:50 PM7:50 PM to 7:59 PM
Sun7:11 AM to 7:21 AM7:21 AM to 8:07 AM7:03 PM to 7:49 PM7:49 PM to 7:58 PM
Mon7:12 AM to 7:21 AM7:21 AM to 8:07 AM7:02 PM to 7:48 PM7:48 PM to 7:57 PM
Tue7:13 AM to 7:22 AM7:22 AM to 8:08 AM7:00 PM to 7:46 PM7:46 PM to 7:56 PM
Wed7:13 AM to 7:22 AM7:22 AM to 8:08 AM6:59 PM to 7:45 PM7:45 PM to 7:54 PM
Thu7:14 AM to 7:23 AM7:23 AM to 8:09 AM6:58 PM to 7:44 PM7:44 PM to 7:53 PM
Fri7:14 AM to 7:23 AM7:23 AM to 8:09 AM6:57 PM to 7:43 PM7:43 PM to 7:52 PM
NESWSRSSMRMS
  • SR Sunrise 7:35 AM, 91° E
  • SS Sunset 7:35 PM, 269° W
  • MR Moonrise 7:32 PM, 83° E
  • MS Moonset 7:29 AM, 273° W
  • Full moon, 100% lit

Golden hour is the sun between 6 degrees above the horizon and 4 degrees below it; blue hour is the sun between 4 and 6 degrees below. These are the definitions timeanddate.com and PhotoPills use. Directions are degrees clockwise from true north, where the sun’s upper edge and the moon’s center cross a flat horizon; hills and buildings change both. None means the sun does not reach that height on the day; all day means it stays inside the band.

Drone flying

NWS hourly forecast, SWPC Kp, FAA TFRs and 14 CFR Part 107

This hour: no-fly (low cloud limits height (107.51), night: lighting and night training required (107.29)). Next good stretch: Mon 8 AM to 10 AM, 2 hours.

Today: civil twilight for Part 107 7:05 AM to sunrise 7:35 AM, and sunset 7:35 PM to 8:05 PM. Anti-collision lighting is required in those minutes and at night.

Sat
Sun12 AM6 AM12 PM6 PM
Mon12 AM6 AM12 PM6 PM

Good Caution No-fly

HourVerdictWind (mph)400 ft est. (mph)Gust (mph)RainVisibilityCloud allowsTempKpWhy
Sat 10 PMNo-fly710133%10 miup to 0 ft90°low cloud limits height (107.51), night: lighting and night training required (107.29)
Sat 11 PMNo-fly710123%10 miup to 0 ft89°low cloud limits height (107.51), night: lighting and night training required (107.29)
Sun 12 AMNo-fly710123%10 miup to 0 ft88°low cloud limits height (107.51), night: lighting and night training required (107.29)
Sun 1 AMNo-fly717193%10 miup to 0 ft86°low cloud limits height (107.51), gusts near or over your limit, night: lighting and night training required (107.29)
Sun 2 AMNo-fly717183%10 miup to 0 ft85°low cloud limits height (107.51), night: lighting and night training required (107.29)
Sun 3 AMNo-fly710123%10 miup to 0 ft84°low cloud limits height (107.51), night: lighting and night training required (107.29)
Sun 4 AMNo-fly812142%10 miup to 0 ft83°low cloud limits height (107.51), night: lighting and night training required (107.29)
Sun 5 AMNo-fly922262%10 miup to 0 ft81°gusts near or over your limit, low cloud limits height (107.51), wind at 400 ft near or over your limit, night: lighting and night training required (107.29)
Sun 6 AMNo-fly1025272%10 miup to 0 ft79°wind at 400 ft near or over your limit, gusts near or over your limit, low cloud limits height (107.51), night: lighting and night training required (107.29)
Sun 7 AMNo-fly1025272%10 miup to 0 ft79°wind at 400 ft near or over your limit, gusts near or over your limit, low cloud limits height (107.51), night: lighting and night training required (107.29)
Sun 8 AMNo-fly1013162%10 miup to 0 ft78°low cloud limits height (107.51)
Sun 9 AMNo-fly1013162%10 miup to 0 ft79°low cloud limits height (107.51)
Sun 10 AMNo-fly1012161%10 miup to 0 ft81°low cloud limits height (107.51)
Sun 11 AMNo-fly1013171%10 miup to 0 ft83°low cloud limits height (107.51)
Sun 12 PMNo-fly912151%10 miup to 0 ft85°low cloud limits height (107.51)
Sun 1 PMNo-fly810141%10 miup to 0 ft88°low cloud limits height (107.51)
Sun 2 PMNo-fly810141%10 miup to 0 ft89°low cloud limits height (107.51)
Sun 3 PMNo-fly79151%10 miup to 0 ft91°low cloud limits height (107.51)
Sun 4 PMNo-fly78142%10 miup to 0 ft93°low cloud limits height (107.51)
Sun 5 PMNo-fly79152%10 miup to 0 ft93°low cloud limits height (107.51)
Sun 6 PMNo-fly810142%10 miup to 0 ft93°low cloud limits height (107.51)
Sun 7 PMCaution810146%10 mi400 ft94°civil twilight: lighting required (107.29)
Sun 8 PMNo-fly717196%10 miup to 0 ft93°low cloud limits height (107.51), gusts near or over your limit, night: lighting and night training required (107.29)
Sun 9 PMNo-fly623266%10 miup to 0 ft90°gusts near or over your limit, low cloud limits height (107.51), wind at 400 ft near or over your limit, night: lighting and night training required (107.29)

Flight restrictions nearby

Reading the FAA’s temporary flight restrictions.

Flight restrictions on the map. TFRs are not the whole picture: controlled airspace around airports needs LAANC authorization. Check the FAA’s B4UFLY.

Wind at 400 ft is estimated from the 10 m forecast by the power law, with exponents for each Pasquill stability class (Irwin 1979, rural, as in EPA dispersion models; the class from wind, sun height and cloud, after Turner 1970); gusts keep the ground gust’s margin. Caution from three quarters of your limit; the default 24 mph is the wind resistance printed for common sub-250 g drones. 14 CFR 107.51: “The minimum flight visibility, as observed from the location of the control station must be no less than 3 statute miles” and at least “500 feet below the cloud”. 14 CFR 107.29: “No person may operate a small unmanned aircraft system during periods of civil twilight unless the small unmanned aircraft has lighted anti-collision lighting visible for at least 3 statute miles”; civil twilight is the 30 minutes before sunrise and after sunset, in Alaska the Air Almanac’s. Kp: SWPC’s scales say satellite navigation problems may occur at G3 (Kp 7) and navigation is “degraded for hours” at G4 (Kp 8); Kp 5 is the typical app warning. Typical limits, not rules: rain chance 30% caution and 60% no-fly, thunder 10% and 20%, below 0 °C caution and −10 °C no-fly, over 40 °C caution. Your drone’s manual and the airspace come first.

Spraying and field work

Worked out from the NWS hourly forecast

Hours fit for spraying, and the days dry enough for fieldwork and hay, read from this forecast’s wind, gusts, humidity, temperature and rain.

Spraying windows

  • Sat 10 PM to Sun 6 AM 8 hours, some with delta T between 8 and 10 °C
  • Sun 12 PM to Mon 5 AM 17 hours, some with delta T between 8 and 10 °C
  • Fri 7 AM to 9 AM 2 hours, every hour within the rules
  • Fri 10 AM to Sat 4 AM 18 hours, every hour within the rules
  • Sat 10 AM to 4 PM 6 hours, every hour within the rules
Sat
Sun12 AM6 AM12 PM6 PM
Mon12 AM6 AM12 PM6 PM
Tue12 AM6 AM12 PM6 PM

Good Marginal No

Field days

DayDaytimeChance of rainRainLowest humidityStrongest windDry days in a rowHay drying
SundayDry6%0.00 in43%10 mph3 dGood
MondayDry0%0.00 in41%12 mph2 dGood
TuesdayDry24%0.02 in49%16 mph1 dGood
WednesdayWet51%0.40 in58%15 mph
ThursdayWet48%0.88 in61%9 mph
FridayWet27%0.39 in61%7 mph
SaturdayShowers possible17%0.06 in59%6 mph

Spraying: sustained wind 3 to 10 mph, the range US extension services and most labels give; gusts no more than 15 mph (this page’s limit); delta T (air minus wet-bulb temperature) 2 to 8 °C preferred and 8 to 10 °C marginal, from GRDC guidance, with the wet bulb by Stull’s formula; no hour at a 30% chance of rain or 0.25 mm forecast during the rain-free time. Follow the product label, which overrides all of this. Field days: dry is no daytime hour at a 30% chance and under 1 mm all day, wet is 6 mm (0.25 in) or more; soil moisture is not in the forecast, so ground still wet from earlier rain is not accounted for. Hay drying marks a dry day with humidity down to 50% and a breeze of 5 mph or more.

Solunar times

Computed from the moon’s position

The best-rated day this week is Saturday, rated best.

DayRatingMajor periodsMinor periodsMoonSunrise, sunset
Sat Best12:11 AM to 2:11 AM12:34 PM to 2:34 PM6:59 AM to 7:59 AM7:02 PM to 8:02 PM 100%7:35 AM, 7:35 PM
Sun Best12:57 AM to 2:57 AM1:21 PM to 3:21 PM8:00 AM to 9:00 AM7:34 PM to 8:34 PM 99%7:35 AM, 7:34 PM
Mon Good1:45 AM to 3:45 AM2:11 PM to 4:11 PM9:05 AM to 10:05 AM8:10 PM to 9:10 PM 95%7:36 AM, 7:33 PM
Tue Fair2:37 AM to 4:37 AM3:05 PM to 5:05 PM10:12 AM to 11:12 AM8:52 PM to 9:52 PM 90%7:36 AM, 7:32 PM
Wed Poor3:34 AM to 5:34 AM4:03 PM to 6:03 PM11:22 AM to 12:22 PM9:42 PM to 10:42 PM 82%7:37 AM, 7:31 PM
Thu Fair4:34 AM to 6:34 AM5:05 PM to 7:05 PM12:30 PM to 1:30 PM10:39 PM to 11:39 PM 73%7:37 AM, 7:29 PM
Fri Fair5:37 AM to 7:37 AM6:08 PM to 8:08 PM1:34 PM to 2:34 PM 64%7:38 AM, 7:28 PM

Periods in bold fall within an hour of sunrise or sunset. The weather’s side is the fishing index

Major periods are two hours centered on the moon’s passage overhead and underfoot; minor periods are one hour centered on moonrise and moonset: the conventional durations of John Alden Knight’s solunar tables (1936). The rating is this site’s: one point to start, two more within a day and a half of a new or full moon (one more within three and a half days), and one more when a period falls within an hour of sunrise or sunset. The theory has mixed support in fisheries research; the times are exact astronomy.

In words

NWS forecast periods, as issued
  1. Tonight78° · 3% · SE 5–10 mph

    Mostly cloudy, with a low around 78. Southeast wind 5 to 10 mph.

  2. Sunday95° · 2% · SE 5–10 mph

    Mostly sunny, with a high near 95. Southeast wind 5 to 10 mph.

  3. Sunday Night78° · 6% · SE 5–10 mph

    Partly cloudy, with a low around 78. Southeast wind 5 to 10 mph.

  4. Monday95° · 1% · SE 10 mph

    Sunny, with a high near 95. Southeast wind around 10 mph.

  5. Monday Night78° · SE 10–15 mph

    Mostly cloudy, with a low around 78. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

  6. Tuesday93° · 8% · SE 15 mph

    Partly sunny, with a high near 93. Southeast wind around 15 mph, with gusts as high as 25 mph.

  7. Tuesday Night77° · 42% · SE 15 mph

    A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 77. Southeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

  8. Wednesday91° · 42% · SSE 10–15 mph

    A chance of showers and thunderstorms. Partly sunny, with a high near 91. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

  9. Wednesday Night73° · 60% · SE 5–10 mph

    A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Partly cloudy, with a low around 73. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.

  10. Thursday86° · 60% · ESE 5–10 mph

    Showers and thunderstorms likely. Mostly sunny, with a high near 86. Chance of precipitation is 60%.

  11. Thursday Night70° · 36% · E 5 mph

    A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 40%.

  12. Friday84° · 36% · NE 5 mph

    A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Chance of precipitation is 40%.

  13. Friday Night68° · 21% · NE 5 mph

    A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 20%.

  14. Saturday85° · 21% · NE 5 mph

    A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85.

The forecaster’s discussion

NWS Austin/San Antonio, TX · issued Sep 26, 6:46 PM CDT

Written by the forecaster on duty for their own colleagues and for anyone who wants to know why the forecast says what it says. It is not edited for the public, so it uses the office’s shorthand; it is also the most honest thing any weather service publishes.

KEY Messages

Updated at 635 PM CDT Sat Sep 26 2026

Summer-like temperatures continue into early next week.

Low chance for isolated storms Sunday afternoon and evening over the Hill Country.

A Pacific cold front may bring widespread rain mid to late next week.

Short Term

135 PM CDT Sat Sep 26 2026

(Tonight through Sunday night)

Upper-level ridging has reestablished itself over the RGV based on the morning 12Z soundings and should continue its southwestward drift through Sunday. Unseasonably hot conditions continue. A mid- level trough is noted over the Panhandle and Texas High Plains region. The nearby ridge and accompanying subsidence should prevent isolated showers/storms from moving into our area, though a few fleeting showers could temporarily drift into the southern Edwards Plateau on their way to fizzling out this evening.

South-Central Texas remains under southwestern heel of broadly higher pressures over the Eastern US, so warm and humid air continues to cycle through the region. Highs Sunday will again be in the mid to upper 90s for most, perhaps a few degrees higher than today as a warmer airmass over West Texas orients closer our area. By Sunday afternoon, the upper-level wind will shift towards northwesterlies and this setup is slightly more favorable to a few isolated showers or storms entering or developing over the southern Edwards Plateau and Hill Country Sunday afternoon/evening. As is typical in these conditions, the warm weather could aid storms in producing locally gusty winds. A few of these storms could reach the Austin area, though the I-35 corridor is likely to be on the eastern edge of this activity.

Long Term

135 PM CDT Sat Sep 26 2026

(Monday through next Saturday)

Next week starts off with the same summer-like heat and mostly dry conditions due to the nearby influence of the upper-level ridge. However, the ridge will start to weaken as a trough and accompanying Pacific cold front approaches from the west. This clash of weather features is forecast deliver a shift from the regionally monotonous summer weather, including the potential for widespread rain and cooler temperatures during the latter half of the week.

Today, that trough is taking shape over the northern Pacific, but it won't be until about mid/late tomorrow when the core of the trough arrives on the Pacific coast and is sampled in upper-air soundings. Models have gradually come to a little more agreement regarding the timing of the trough as it moves over the southwestern US, but there is still some divergence in the models regarding its behavior as it enters Texas that could be pivotal in assessing the mid to late week weather here.

Regardless of timing, there is good confidence that the trough will pull ample amounts of tropical Pacific moisture into the southwestern and central US, and this will set up an opportunity of widespread rain over Texas. So far, ensemble trends in the 500mb heights over the western US and the progression of the trough itself are consistent with favoring a slower-moving trough compared to earlier model outputs. This has caused the most favorable period of rainfall for South-Central Texas to shift slightly later in the forecast. The window of opportunity for widespread rains still stretches from early Wednesday through Friday, though the highest chances in the long-range grand ensemble have started to center around Thursday.

Rain chances should begin before the arrival of the Pacific front as moist southerly flow accelerates during its approach. However, the front will act as a focus for higher rain chances. With models suggesting that the trough will weaken and slow down over the Central Plains late in the week, the front may be slow-moving and there is some potential that it could linger over our area and extend rain chances into Saturday. PWATs during this period are forecast to increase with the GEFS, ENS, and GEPS ensembles all showing mean values of around 1.8-2.1" (near or over the 95th percentile), underscoring the transport of moist Pacific air. Taken altogether, the setup is worth monitoring for the chance of heavy rain near or within the region, and the WPC has started to highlight the potential for rains capable of flash flooding at some point mid/late next week over South-Central Texas.

The sluggish nature of the trough and continued moist inflow suggests we won't be seeing a sharp plunge in temperatures from the Pacific, but the cloud cover, rain, and post-frontal air mixed in will be sufficient to drop temperatures towards near normal territory. The current blend of models has highs in the mid 80s to low 90s late next week. However, confidence in temperatures is low due to uncertainties in the frontal timing, strength, and the inherent variability of rain-cooled air. The drop in overnight lows is not expected to be as steep due to the humid air, but will likely see some decrease.

Aviation

635 PM CDT Sat Sep 26 2026

(00Z TAFS)

VFR conditions are forecast for the local area terminals through Sunday evening. This is following a persistent pattern observed for the last 12+ hours. Cant't rule out an hour of MVFR cigs around day-break, however, confidence is low on happening and time frame. Otherwise, southerly winds persist through this aviation forecast cycle.

Preliminary Point Temps / Pops

Austin Camp Mabry 74 99 74 99 / 0 10 10 0 Austin Bergstrom Intl Airport 72 99 74 99 / 0 10 10 0 New Braunfels Muni Airport 72 97 72 97 / 0 0 0 0 Burnet Muni Airport 71 95 72 95 / 0 20 20 0 Del Rio Intl Airport 77 99 76 99 / 0 0 10 0 Georgetown Muni Airport 73 98 74 97 / 0 20 10 0 Hondo Muni Airport 73 97 73 96 / 0 0 0 0 San Marcos Muni Airport 71 98 72 98 / 0 10 10 0 La Grange - Fayette Regional 71 99 73 99 / 0 0 0 0 San Antonio Intl Airport 75 96 75 96 / 0 0 0 0 Stinson Muni Airport 75 97 75 97 / 0 0 0 0

EWX Watches / Warnings / Advisories

None.

The outlooks beyond

SPC, WPC, CPC and the Drought Monitor, read at this point

The national centers each publish a judgment the local grid does not carry. Read here at this exact coordinate.

Severe weather

  1. Day 1 · Sat Sep 26General Thunderstorms Risk
  2. Day 2 · Sun Sep 27General Thunderstorms Risk
  3. Day 3 · Mon Sep 28General Thunderstorms Risk
  4. Day 4 · Tue Sep 29No risk area
  5. Day 5 · Wed Sep 30No risk area
  6. Day 6 · Thu Oct 1No risk area
  7. Day 7 · Fri Oct 2No risk area
  8. Day 8 · Sat Oct 3No risk area

Rainfall

  1. Day 1 · Sat Sep 26Under 0.01 in
  2. Day 2 · Sun Sep 270.01 in
  3. Day 3 · Mon Sep 28Under 0.01 in
  4. Day 4-5 · Sep 29–Sep 301.00 in
  5. Day 6-7 · Oct 1–Oct 20.50 in

The rainfall forecast on the map, days 1 to 7

Flash flood risk

  1. Day 1 · Sat Sep 26Below marginal
  2. Day 2 · Sun Sep 27Below marginal
  3. Day 3 · Mon Sep 28Below marginal
  4. Day 4 · Tue Sep 29Below marginal
  5. Day 5 · Wed Sep 30Slight

Six to fourteen days

  1. Days 6–10 · TemperatureNear normal most likelyOct 2–Oct 6
  2. Days 6–10 · Precipitation50% chance above normalOct 2–Oct 6
  3. Days 8–14 · TemperatureNear normal most likelyOct 4–Oct 10
  4. Days 8–14 · PrecipitationNear normal most likelyOct 4–Oct 10

Hazards, 3 to 14 days

  1. Sep 30–Oct 2Heavy Rain

Drought

  1. Drought Monitor, map of Sep 22D0 Abnormally dry

Drought in this county: the map, the record since 2000 and the outlook

Frost and climate

NOAA 1991-2020 normals, Amistad Dam

The last spring freeze (32°F) usually comes around February 14 and the first fall freeze around December 6: a growing season of about 297 days.

One fall in ten brings a freeze by November 16; one spring in ten still has one after March 9.

Climate of 29.47, -101.01: normals, records and every month

Everything else on the grid

NWS forecast grid · 26 elements

The forecast office edits about sixty fields for every cell of its grid. The common ones are above; these are the rest, as the daily extreme, for anyone who needs the mixing height, the fire danger or the swell.

ElementSatSunMonTueWedThuFriSat
HeatRisk max2 · Moderate2 · Moderate2 · Moderate2 · Moderate2 · Moderate2 · Moderate1 · Minor1 · Minor
Wet bulb globe temperature max85°85°84°83°84°80°78°78°
Heat index max101°99°99°98°98°90°85°86°
Chance of thunder max4%6%1%15%30%32%32%17%
Cloud ceiling min-100 ft-100 ft-100 ft
Visibility min10 mi10 mi10 mi
Mixing height max6,300 ft6,500 ft7,600 ft7,000 ft6,400 ft4,400 ft3,600 ft4,500 ft
Transport wind max14 mph14 mph21 mph22 mph25 mph17 mph13 mph13 mph
Twenty-foot wind max8 mph8 mph12 mph14 mph14 mph8 mph6 mph5 mph

Against the record

NOAA GHCN · Del Rio International (Aut) (DRT) · 8.2 mi away

Each forecast day against the same calendar date at the nearest long-record station: the 1991 to 2020 normal, and the record high and low with the year they were set.

DayForecastNormalRecord highRecord low
Sat Sep 2695° / 78°89° / 67°106° (2005)49° (2000)
Sun Sep 2795° / 78°90° / 66°104° (2005)48° (1970)
Mon Sep 2895° / 78°89° / 66°104° (2005)49° (1970)
Tue Sep 2993° / 77°87° / 65°104° (1979)50° (1996)
Wed Sep 3091° / 73°88° / 65°101° (1977)49° (1985)
Thu Oct 186° / 70°89° / 66°101° (1979)50° (1985)
Fri Oct 284° / 68°89° / 67°102° (1951)49° (1992)
Sat Oct 385° / 71°89° / 68°106° (1979)47° (1975)

Sun and moon

DayCivil twilightSunriseSunsetCivil twilightDaylightMoon
Sat7:11 AM7:35 AM7:35 PM7:59 PM12 h 0 min Full moon · 100% lit
Sun7:11 AM7:35 AM7:34 PM7:58 PM11 h 59 min Waning gibbous · 99% lit
Mon7:12 AM7:36 AM7:33 PM7:57 PM11 h 57 min Waning gibbous · 95% lit
Tue7:13 AM7:36 AM7:32 PM7:56 PM11 h 56 min Waning gibbous · 90% lit
Wed7:13 AM7:37 AM7:31 PM7:54 PM11 h 54 min Waning gibbous · 82% lit
Thu7:14 AM7:37 AM7:29 PM7:53 PM11 h 52 min Waning gibbous · 73% lit
Fri7:14 AM7:38 AM7:28 PM7:52 PM11 h 50 min Waning gibbous · 64% lit
Sat7:15 AM7:38 AM7:27 PM7:51 PM11 h 49 min Last quarter · 53% lit

Forecast from the National Weather Service forecast grid at api.weather.gov, updated by the local office through the day; the written periods and hourly digest are the NWS’s own. Outlooks from the Storm Prediction Center, the Weather Prediction Center and the Climate Prediction Center via NOAA’s map services. Records and normals from NOAA’s Global Historical Climatology Network. Sun and moon computed here. Place names from GeoNames (CC BY 4.0).

What is here

Seven days
The high, the low, the chance and amount of rain and snow, the wind and the forecaster’s words for each day and night, from the National Weather Service grid for the exact cell your town sits in.
Hour by hour
Temperature, what it feels like, dew point, humidity, chance and amount of precipitation, wind and gusts, sky cover, the chance of thunder, pressure, visibility and ceiling, as a chart and as a table, with nights shaded.
Everything else on the grid
The office edits about sixty fields for every cell. The ones the mainstream forecast pages leave out are here as a daily table: HeatRisk, wet bulb globe temperature, lightning activity, mixing height, transport wind, the fire weather indices, and at the coast the waves and swell.
The discussion
The Area Forecast Discussion the forecaster wrote to explain the forecast, in their own words, with the specialist annexes folded away. Also the office’s hazardous weather outlook.
Beyond the week
The Storm Prediction Center’s severe weather category for each of the next eight days, the Weather Prediction Center’s rainfall forecast to day seven and its winter storm severity, and the Climate Prediction Center’s odds for days six to fourteen, all read at your coordinate.
Against the record
Each forecast day beside the same date at the nearest long-record station: the thirty-year normal and the record high and low with their years, so a forecast high that would break a record says so.
The next 90 days
The forecast as far as the grid, the National Blend and the global models reach, and the calendar after that: the normal and the record for every date, with the Climate Prediction Center’s lean for the weeks, the month and the season drawn over them. No made-up highs for a date three months out.

Common questions

Where does this forecast come from?

From the National Weather Service forecast grid published at api.weather.gov, the same grid the local forecast office edits through the day and the source of every forecast on weather.gov. The written periods, the hourly digest and the forecaster’s discussion are the NWS’s own products, shown as issued. Nothing here is a blend a website made.

How far ahead does it go?

The grid runs seven days ahead, hour by hour for the first days and in three to six hour steps after that. The National Blend of Models carries the days to eleven and the global models to sixteen. Beyond that the page carries the national centers’ outlooks, severe weather to day eight, rainfall to day seven, and the Climate Prediction Center’s odds for the coming weeks, month and season, over a ninety-day calendar of the normal and the record for each date. No forecast has skill day by day past about two weeks, and this page does not print one.

Why is this different from the app on my phone?

Most forecast apps show a blend of models chosen by the company that makes the app. This page shows the forecast the local National Weather Service office issues, edited by the forecasters who will also issue the warnings, and it shows all of it rather than the six numbers that fit on a phone. The discussion explains the reasoning, which no app carries.

What is a place’s address here?

Every town has its own page, such as /forecast/us/oklahoma/oklahoma-city/, and every day at a town has one too. A ZIP code typed into the search goes to the town it belongs to. Any coordinate at all can be looked up, and the page names the nearest town.

What the weather actually was · Open the live radar · Where the data comes from