Ilwaco climate

Ilwaco Weather in August

NOAA 1991-2020 normals for Long Beach Exp Stn, 6.5 km from Ilwaco

Average highs run from 66°F on August 1 to 67°F on August 31, and lows from 52°F to 50°F. Normal precipitation for the month is 1.63 in over about 11 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 Ilwaco, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
67°F
Average low
52°F
Precipitation
1.63 in
Record high
98°FAug 19, 2016
Record low
39°FAug 19, 1973
Chance of a freeze
0%
Daylight
14 h 48 min to 13 h 20 min
Cloud cover
49%
Humidity
87%
Dew point
56°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 166°F52°F83°F 201743°F 198735%0%
Aug 266°F52°F93°F 201745°F 196935%0%
Aug 366°F52°F87°F 199343°F 196935%0%
Aug 466°F52°F92°F 201243°F 198235%0%
Aug 566°F52°F82°F 202645°F 198235%0%
Aug 666°F52°F88°F 197244°F 195935%0%
Aug 766°F52°F94°F 197848°F 196635%0%
Aug 866°F52°F88°F 198145°F 198836%0%
Aug 966°F52°F96°F 198144°F 197536%0%
Aug 1066°F52°F88°F 197746°F 195436%0%
Aug 1166°F52°F95°F 199247°F 196636%0%
Aug 1266°F52°F85°F 201643°F 196636%0%
Aug 1366°F52°F95°F 200244°F 202037%0%
Aug 1466°F52°F90°F 201044°F 198437%0%
Aug 1566°F52°F86°F 202045°F 198237%0%
Aug 1667°F52°F87°F 197744°F 196937%0%
Aug 1767°F52°F84°F 202241°F 197338%0%
Aug 1867°F52°F88°F 201640°F 197338%0%
Aug 1967°F52°F98°F 201639°F 197338%0%
Aug 2067°F51°F89°F 196645°F 196838%0%
Aug 2167°F51°F86°F 201842°F 197339%0%
Aug 2267°F51°F88°F 198841°F 197339%0%
Aug 2367°F51°F84°F 202544°F 195939%0%
Aug 2467°F51°F86°F 196445°F 199140%0%
Aug 2567°F51°F91°F 201643°F 199240%0%
Aug 2667°F51°F91°F 201642°F 199140%0%
Aug 2767°F51°F91°F 201943°F 195540%0%
Aug 2867°F51°F85°F 201742°F 198440%0%
Aug 2967°F51°F87°F 202442°F 196941%0%
Aug 3067°F50°F84°F 196846°F 196541%0%
Aug 3167°F50°F86°F 197243°F 196441%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Ilwaco, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (PDT).

August 1
sunrise 5:58 AM, sunset 8:46 PM
August 31
sunrise 6:36 AM, sunset 7:56 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00454748 (Long Beach Exp Stn), public domain. Records: NOAA GHCN-Daily, station USW00094224, 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.