Cedar Mill climate

Cedar Mill Weather in August

NOAA 1991-2020 normals for Nature Park-Beaverton, 3.7 km from Cedar Mill

Average highs run from 83°F on August 1 to 80°F on August 31, and lows from 58°F to 55°F. Normal precipitation for the month is 0.46 in over about 3 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 Cedar Mill, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
82°F
Average low
57°F
Precipitation
0.46 in
Record high
107°FAug 14, 2023
Record low
38°FAug 31, 2008
Chance of a freeze
0%
Days of 90°F or more
5.9
Daylight
14 h 44 min to 13 h 18 min
Cloud cover
44%
Humidity
75%
Dew point
54°F
Wind
4.5 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 183°F58°F100°F 201544°F 20029%0%
Aug 283°F58°F105°F 201742°F 20029%0%
Aug 383°F58°F105°F 201741°F 20089%0%
Aug 483°F58°F100°F 201246°F 20069%0%
Aug 583°F58°F98°F 200846°F 20029%0%
Aug 683°F58°F95°F 202644°F 200210%0%
Aug 783°F58°F99°F 202242°F 200210%0%
Aug 883°F58°F96°F 202444°F 200210%0%
Aug 983°F58°F99°F 200446°F 201010%0%
Aug 1083°F57°F100°F 202545°F 201110%0%
Aug 1182°F57°F103°F 202144°F 202010%0%
Aug 1282°F57°F103°F 202143°F 200011%0%
Aug 1382°F57°F101°F 200243°F 200011%0%
Aug 1482°F57°F107°F 202343°F 200011%0%
Aug 1582°F57°F103°F 200843°F 200011%0%
Aug 1682°F57°F103°F 202342°F 200012%0%
Aug 1782°F57°F101°F 202242°F 200012%0%
Aug 1882°F57°F102°F 201643°F 200212%0%
Aug 1982°F57°F100°F 201643°F 200113%0%
Aug 2082°F57°F101°F 201640°F 200013%0%
Aug 2182°F57°F94°F 201744°F 200014%0%
Aug 2282°F57°F99°F 202544°F 200215%0%
Aug 2382°F57°F101°F 202540°F 202115%0%
Aug 2481°F56°F97°F 202542°F 200916%0%
Aug 2581°F56°F96°F 201042°F 201816%0%
Aug 2681°F56°F96°F 200641°F 200917%0%
Aug 2781°F56°F97°F 200640°F 200018%0%
Aug 2881°F56°F99°F 201740°F 200019%0%
Aug 2981°F56°F95°F 200741°F 201019%0%
Aug 3081°F56°F98°F 202241°F 200820%0%
Aug 3180°F55°F100°F 199838°F 200820%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Cedar Mill, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

August 1
sunrise 5:55 AM, sunset 8:39 PM
August 31
sunrise 6:32 AM, sunset 7:50 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00355945 (Nature Park-Beaverton), public domain. Records: NOAA GHCN-Daily, station USW00094261, 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.