Current weather · Sep 22, 7:26 AM GMT

Santo Amaro, Sao Tome and Principe

3.5 mi from São Tomé, Sao Tome and Principe

77°

Mostly clearFeels like 77° · Humidity 83%MET Norway forecast for this hourForecast by MET Norway
High
79°
Low
74°
Precip today
0.13 in
Sunrise
5:23 AM
Sunset
5:29 PM

Hour by hour

MET Norway, hourly to about 60 hours, then every six hours

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

Every hour as a table48 hours
TimeWeatherTemperatureFeels likeDew pointHumidityChanceAmountSnowDirWindGustSky coverThunderPressureVisibilityCeiling
Tue 7 AM77°77°71°83%S17 mph35%29.96 inHg
Tue 8 AM79°79°71°77%S16 mph43%29.99 inHg
Tue 9 AMScattered moderate rain showers79°83°70°74%0.01 inSSE16 mph65%29.99 inHg
Tue 10 AMScattered moderate rain showers79°83°71°78%0.03 inSE17 mph35%29.98 inHg
Tue 11 AMModerate rain78°78°72°82%0.02 inSE19 mph93%29.96 inHg
Tue 12 PMLight rain78°78°72°84%0.01 inSE18 mph91%29.93 inHg
Tue 1 PMModerate rain78°78°72°81%0.01 inSSE18 mph92%29.89 inHg
Tue 2 PMModerate rain77°77°72°85%0.03 inSSE18 mph99%29.85 inHg
Tue 3 PMModerate rain77°77°73°89%0.02 inSSE18 mph100%29.84 inHg
Tue 4 PM77°77°73°90%SSE19 mph100%29.83 inHg
Tue 5 PM77°77°73°88%SSE19 mph100%29.84 inHg
Tue 6 PM76°76°73°89%S19 mph63%29.87 inHg
Tue 7 PM76°76°73°90%S18 mph28%29.90 inHg
Tue 8 PM76°76°72°90%S18 mph26%29.94 inHg
Tue 9 PM75°75°72°90%S18 mph36%29.96 inHg
Tue 10 PM75°75°72°89%S17 mph70%29.97 inHg
Tue 11 PM75°75°71°89%S15 mph90%29.96 inHg
Wed 12 AM75°75°71°88%S13 mph98%29.93 inHg
Wed 1 AM75°75°70°86%S13 mph98%29.91 inHg
Wed 2 AM74°74°70°86%S12 mph100%29.90 inHg
Wed 3 AM74°74°70°86%S12 mph97%29.90 inHg
Wed 4 AM75°75°70°85%S12 mph100%29.91 inHg
Wed 5 AM75°75°70°85%S11 mph100%29.92 inHg
Wed 6 AM75°75°71°86%SSW11 mph26%29.93 inHg
Wed 7 AM77°77°71°81%SSW11 mph10%29.96 inHg
Wed 8 AM78°78°71°77%S12 mph7%29.98 inHg
Wed 9 AM80°84°70°72%SE13 mph34%29.99 inHg
Wed 10 AM81°85°70°72%E14 mph23%29.98 inHg
Wed 11 AM80°85°71°76%E15 mph45%29.96 inHg
Wed 12 PM80°85°71°78%ENE16 mph79%29.93 inHg
Wed 1 PMScattered light rain showers79°85°72°82%0.01 inNE17 mph86%29.91 inHg
Wed 2 PMScattered light rain showers78°78°72°86%0.00 inNNE16 mph82%29.89 inHg
Wed 3 PMScattered light rain showers78°78°72°85%0.00 inENE15 mph78%29.87 inHg
Wed 4 PM77°77°72°85%ESE15 mph88%29.86 inHg
Wed 5 PM77°77°72°86%SSE15 mph100%29.87 inHg
Wed 6 PM77°77°73°87%S15 mph92%29.88 inHg
Wed 7 PM76°76°73°89%SSW14 mph84%29.91 inHg
Wed 8 PM76°76°72°88%SW13 mph92%29.92 inHg
Wed 9 PM76°76°72°86%S13 mph26%29.94 inHg
Wed 10 PM76°76°72°87%SSE12 mph27%29.94 inHg
Wed 11 PM76°76°72°89%SE11 mph88%29.94 inHg
Thu 12 AM76°76°72°90%SSE11 mph24%29.93 inHg
Thu 1 AM75°75°72°90%SSE11 mph44%29.91 inHg
Thu 2 AM75°75°72°91%S11 mph78%29.91 inHg
Thu 3 AM75°75°72°91%S11 mph99%29.91 inHg
Thu 4 AM75°75°72°90%SSW10 mph98%29.92 inHg
Thu 5 AM75°75°71°88%S10 mph98%29.95 inHg
Thu 6 AM76°76°72°88%S9 mph100%29.97 inHg

The next 16 days

MET Norway forecast updated Sep 22, 7:17 AM GMT to day 10, the mean of GFS, ECMWF, ECMWF AI to day 16
  1. TodaySep 2279°74°Rain showers0.13 inwind 19 mph
  2. WedSep 2381°75°Light rain showers0.02 inwind 17 mph
  3. ThuSep 2480°76°Light rain0.14 inwind 14 mph
  4. FriSep 2580°77°Rain0.32 inwind 10 mph
  5. SatSep 2678°77°Rain0.24 inwind 5 mph
  6. SunSep 2782°76°Rain0.21 inwind 3 mph
  7. MonSep 2882°76°Light rain0.18 inwind 4 mph
  8. TueSep 2980°76°Rain0.35 inwind 2 mph
  9. WedSep 3078°76°Rain showers0.16 inwind 2 mph
  10. ThuOct 180°76°Light rain showers0.03 inwind 3 mph
  11. FriOct 2~78°76°Model mean0.05 in
  12. SatOct 3~79°76°Model mean0.04 in
  13. SunOct 4~79°77°Model mean0.03 in
  14. MonOct 5~79°77°Model mean0.09 in
  15. TueOct 6~78°77°Model mean0.14 in
  16. WedOct 7~79°76°Model mean0.04 in

Right now

MET Norway forecast for this hour
  • Feels like77°
  • WindS 17 mph
  • Humidity83%
  • Dew point71°
  • Pressure29.96 inHg
  • UV index1 · Lowclear-sky peak 11 today
  • Sunrise and sunsetSunrise · Sunset
  • Moonrise2:23 PMMoonset 1:58 AM
  • Moon phaseWaxing gibbous82% lit

The models, side by side

GFS Sep 22, 12:00 AM GMT · GEFS Sep 22, 12:00 AM GMT · ECMWF Sep 21, 12:00 PM GMT · ECMWF AI Sep 22, 12:00 AM GMT

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.

68°77°86°WedThuFriSatSunMonTue

DayNWS gridGFSGEFSECMWFECMWF AI
Today Sep 2279° 74°0.13 in77° 74°0.01 in76° 76°78° 76°0.05 in~78° 77°0.02 in
Wed Sep 2381° 75°0.02 in77° 73°76° 75°77° 76°~78° 77°
Thu Sep 2480° 76°0.14 in78° 73°76° 75°78° 76°0.05 in~78° 77°0.02 in
Fri Sep 2580° 77°0.32 in78° 74°76° 75°~77° 77°0.04 in~78° 78°0.04 in
Sat Sep 2678° 77°0.24 in77° 74°76° 76°78° 76°0.09 in~78° 77°0.05 in
Sun Sep 2782° 76°0.21 in78° 74°76° 76°78° 76°0.03 in~78° 77°0.04 in
Mon Sep 2882° 76°0.18 in77° 74°76° 75°~79° 77°0.01 in~78° 77°0.02 in
Tue Sep 2980° 76°0.35 in78° 74°76° 75°~78° 77°0.10 in~78° 77°
Wed Sep 3078° 76°0.16 in78° 74°0.01 in76° 76°~77° 76°0.09 in~78° 77°
Thu Oct 180° 76°0.03 in78° 75°0.02 in76° 76°~78° 76°~78° 77°0.02 in
Fri Oct 2~76° 75°0.04 in~76° 76°~78° 76°0.04 in~79° 78°0.06 in
Sat Oct 3~80° 75°0.03 in~78° 76°0.03 in~79° 78°0.06 in
Sun Oct 4~78° 75°0.02 in~78° 77°0.03 in~79° 78°0.04 in
Mon Oct 5~79° 76°0.05 in~78° 77°0.11 in~79° 78°0.12 in
Tue Oct 6~78° 76°0.09 in~78° 77°0.03 in~78° 78°0.29 in
Wed Oct 7~79° 76°0.04 in~78° 78°

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

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.

Each rating says which span it is for: the rest of today’s daylight, tonight, or the next 24 hours.

Health

  • Arthritisnext 24 hModeratehumid
  • Sinus pressurenext 24 hLowsteady conditions
  • Common coldtodayLowmild
  • FlutodayLowmild
  • Migrainenext 24 hLowsteady conditions
  • Asthmanext 24 hLowclean air
  • Heat stresstodayModeratehumid
  • SunburntodayLowweak sun
  • Frostbitenext 24 hLowmild
  • SleepingtonightGoodwarm night

Outdoors

  • RunningtodayGoodhot
  • HikingtodayIdealfine conditions
  • BikingtodayVery goodwind
  • GolftodayIdealfine conditions
  • FishingtodayIdealfine conditions
  • Boating and paddlingtodayVery goodwind
  • Beach and pooltodayVery goodmostly cloudy
  • CampingtonightIdealfine conditions
  • StargazingtonightPoormostly cloudy

Travel

  • Air travelnext 24 hIdealclear skies
  • Drivingnext 24 hIdealclear roads

Home and garden

  • Lawn mowingtodayIdealfine conditions
  • GardeningtodayIdealfine conditions
  • Outdoor entertainingtodayVery goodwind
  • Drying laundry outsidetodayGoodhumid
  • Painting and outdoor projectstodayVery goodhumid
  • FrosttonightLowmild

Pests

  • MosquitoestodayVery highwarm
  • TickstodayVery highwarm
  • Indoor pestsnext 24 hLowmild
  • Outdoor peststodayVery highwarm

In words

Written here from the MET Norway forecast
  1. Today79° · SSE 16–19 mph

    Rain showers. High near 26°C. Southsoutheast wind 26 to 31 km/h. Precipitation around 3 mm.

  2. Tonight74° · S 11–19 mph

    Partly cloudy. Low near 24°C. South wind 18 to 31 km/h.

  3. Wednesday81° · ESE 11–17 mph

    Light rain showers. High near 27°C. Eastsoutheast wind 18 to 27 km/h.

  4. Wednesday Night75° · S 9–15 mph

    Cloudy. Low near 24°C. South wind 15 to 24 km/h.

  5. Thursday80° · S 9–14 mph

    Light rain. High near 27°C. South wind 14 to 22 km/h. Precipitation around 3 mm.

  6. Thursday Night76° · ESE 9–12 mph

    Light rain. Low near 25°C. Eastsoutheast wind 15 to 20 km/h. Precipitation around 0.5 mm.

  7. Friday80° · SSW 1–2 mph

    Rain. High near 27°C. Southsouthwest wind 1 to 4 km/h. Precipitation around 6 mm.

  8. Friday Night77° · SSE 1–2 mph

    Rain. Low near 25°C. Southsoutheast wind 1 to 3 km/h. Precipitation around 2 mm.

  9. Saturday78° · NW 1–1 mph

    Rain. High near 26°C. Northwest wind 1 to 2 km/h. Precipitation around 5 mm.

  10. Saturday Night77° · SSW 3–5 mph

    Partly cloudy. Low near 25°C. Southsouthwest wind 5 to 8 km/h.

  11. Sunday82° · ENE 1 mph

    Rain. High near 28°C. Eastnortheast wind around 1 km/h. Precipitation around 5 mm.

  12. Sunday Night76° · WSW 2–3 mph

    Partly cloudy. Low near 25°C. Westsouthwest wind 3 to 5 km/h.

  13. Monday82° · W 1–4 mph

    Light rain. High near 28°C. West wind 2 to 6 km/h. Precipitation around 4 mm.

  14. Monday Night76° · WSW 2–3 mph

    Cloudy. Low near 25°C. Westsouthwest wind 4 to 5 km/h.

  15. Tuesday80° · E 1–2 mph

    Rain. High near 27°C. East wind 1 to 4 km/h. Precipitation around 9 mm.

  16. Tuesday Night76° · NW 1–1 mph

    Light rain showers. Low near 25°C. Northwest wind 1 to 2 km/h. Precipitation around 0.5 mm.

  17. Wednesday78° · ENE 2 mph

    Rain showers. High near 26°C. Eastnortheast wind around 3 km/h. Precipitation around 4 mm.

  18. Wednesday Night76° · WSW 2–3 mph

    Partly cloudy. Low near 25°C. Westsouthwest wind 4 to 5 km/h.

  19. Thursday80° · W 2–3 mph

    Light rain showers. High near 27°C. West wind 4 to 5 km/h. Precipitation around 0.8 mm.

Everything else on the grid

MET Norway · 12 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.

ElementTueWedThuFriSatSunMonTueWedThu
Pressure min29.83 inHg29.86 inHg29.90 inHg29.91 inHg29.89 inHg29.88 inHg29.88 inHg29.90 inHg29.89 inHg29.92 inHg

Sun and moon

DayCivil twilightSunriseSunsetCivil twilightDaylightMoon
Tue5:02 AM5:23 AM5:29 PM5:50 PM12 h 6 min Waxing gibbous · 82% lit
Wed5:02 AM5:22 AM5:29 PM5:50 PM12 h 7 min Waxing gibbous · 89% lit
Thu5:01 AM5:22 AM5:29 PM5:49 PM12 h 7 min Waxing gibbous · 95% lit
Fri5:01 AM5:22 AM5:28 PM5:49 PM12 h 6 min Waxing gibbous · 99% lit
Sat5:01 AM5:21 AM5:28 PM5:48 PM12 h 7 min Full moon · 100% lit
Sun5:00 AM5:21 AM5:27 PM5:48 PM12 h 6 min Full moon · 99% lit
Mon5:00 AM5:21 AM5:27 PM5:48 PM12 h 6 min Waning gibbous · 96% lit
Tue5:00 AM5:20 AM5:27 PM5:47 PM12 h 7 min Waning gibbous · 91% lit
Wed4:59 AM5:20 AM5:26 PM5:47 PM12 h 6 min Waning gibbous · 84% lit
Thu4:59 AM5:20 AM5:26 PM5:47 PM12 h 6 min Waning gibbous · 75% lit

Forecast from MET Norway’s Locationforecast (the Norwegian Meteorological Institute, CC BY 4.0), built on the ECMWF model and refined by MET, updated through the day; the written periods are composed here from its hourly data. Global model lines from NOAA’s GFS and ECMWF’s open data where they are ingested. 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