Portland climate

Portland Weather in August

NOAA 1991-2020 normals for Corpus Christi NWS, 20.9 km from Portland

Average highs run from 93°F on August 1 to 91°F on August 31, and lows from 77°F to 75°F. Normal precipitation for the month is 2.77 in over about 6 wet days.

August day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Portland, in °F, with the record for each date.60708090100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
93°F
Average low
77°F
Precipitation
2.77 in
Record high
99°FAug 28, 2023
Record low
70°FAug 11, 2004
Chance of a freeze
0%
Days of 90°F or more
28.8
Daylight
13 h 27 min to 12 h 43 min
Cloud cover
41%
Humidity
72%
Dew point
74°F
Wind
9.2 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Aug 193°F77°F94°F 200176°F 201517%0%
Aug 294°F77°F94°F 201676°F 199416%0%
Aug 394°F77°F93°F 199874°F 200116%0%
Aug 494°F77°F94°F 199875°F 199416%0%
Aug 594°F77°F94°F 199777°F 200217%0%
Aug 694°F77°F93°F 199675°F 198617%0%
Aug 794°F77°F95°F 200077°F 200517%0%
Aug 894°F77°F94°F 202377°F 198917%0%
Aug 994°F77°F94°F 199876°F 198917%0%
Aug 1094°F77°F94°F 200076°F 198917%0%
Aug 1194°F77°F93°F 200770°F 200417%0%
Aug 1294°F77°F97°F 200771°F 200418%0%
Aug 1393°F77°F96°F 200774°F 200418%0%
Aug 1493°F77°F94°F 202375°F 199218%0%
Aug 1593°F77°F93°F 200373°F 199219%0%
Aug 1693°F77°F95°F 202376°F 200419%0%
Aug 1793°F77°F94°F 202373°F 200820%0%
Aug 1893°F77°F94°F 199872°F 198820%0%
Aug 1993°F77°F94°F 200073°F 198921%0%
Aug 2093°F76°F94°F 200573°F 198921%0%
Aug 2193°F76°F93°F 200072°F 198622%0%
Aug 2293°F76°F94°F 200070°F 198622%0%
Aug 2393°F76°F93°F 200073°F 199923%0%
Aug 2492°F76°F94°F 200174°F 199623%0%
Aug 2592°F76°F94°F 202373°F 199624%0%
Aug 2692°F76°F97°F 202373°F 199325%0%
Aug 2792°F76°F95°F 200574°F 199625%0%
Aug 2892°F75°F99°F 202373°F 200126%0%
Aug 2992°F75°F99°F 201273°F 200427%0%
Aug 3092°F75°F97°F 202373°F 198727%0%
Aug 3191°F75°F95°F 200573°F 198728%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Portland, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:52 AM, sunset 8:19 PM
August 31
sunrise 7:08 AM, sunset 7:51 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00412011 (Corpus Christi NWS), public domain. Records: NOAA GHCN-Daily, station USC00417170, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.