Cathlamet climate

Cathlamet Weather in August

NOAA 1991-2020 normals for Clatskanie, 17.3 km from Cathlamet

Average highs run from 76°F on August 1 to 75°F on August 31, and lows from 53°F to 50°F. Normal precipitation for the month is 0.67 in over about 5 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 Cathlamet, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
76°F
Average low
52°F
Precipitation
0.67 in
Record high
108°FAug 10, 1981
Record low
35°FAug 16, 1935
Chance of a freeze
0%
Days of 90°F or more
1.4
Daylight
14 h 47 min to 13 h 21 min
Cloud cover
49%
Humidity
87%
Dew point
56°F
Wind
4.9 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 176°F53°F99°F 196540°F 194114%0%
Aug 276°F53°F98°F 201739°F 193014%0%
Aug 376°F53°F101°F 201740°F 193014%0%
Aug 476°F53°F100°F 201741°F 193114%0%
Aug 576°F53°F97°F 199339°F 192914%0%
Aug 676°F53°F94°F 202641°F 193914%0%
Aug 776°F53°F97°F 202241°F 197514%0%
Aug 876°F53°F99°F 197240°F 193515%0%
Aug 976°F53°F103°F 196043°F 193915%0%
Aug 1076°F53°F108°F 198142°F 193815%0%
Aug 1176°F53°F106°F 198141°F 193115%0%
Aug 1276°F53°F100°F 193538°F 192815%0%
Aug 1376°F53°F102°F 197738°F 193115%0%
Aug 1476°F53°F101°F 200240°F 193716%0%
Aug 1576°F53°F100°F 201037°F 193716%0%
Aug 1676°F52°F100°F 201235°F 193516%0%
Aug 1776°F52°F99°F 197741°F 192816%0%
Aug 1876°F52°F99°F 197739°F 197317%0%
Aug 1976°F52°F100°F 201636°F 192817%0%
Aug 2076°F52°F100°F 200936°F 192817%0%
Aug 2176°F52°F96°F 195136°F 193018%0%
Aug 2276°F52°F96°F 193439°F 193118%0%
Aug 2376°F52°F97°F 202538°F 193819%0%
Aug 2476°F51°F98°F 202539°F 193019%0%
Aug 2575°F51°F98°F 195838°F 192920%0%
Aug 2675°F51°F97°F 201641°F 193020%0%
Aug 2775°F51°F97°F 198638°F 193721%0%
Aug 2875°F51°F99°F 201737°F 193721%0%
Aug 2975°F51°F100°F 196737°F 193922%0%
Aug 3075°F51°F98°F 202240°F 193622%0%
Aug 3175°F50°F94°F 198739°F 197323%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Cathlamet, 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 5:56 AM, sunset 8:43 PM
August 31
sunrise 6:33 AM, sunset 7:54 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00351643 (Clatskanie), public domain. Records: NOAA GHCN-Daily, station USC00454769, 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.