Westhaven-Moonstone climate

Westhaven-Moonstone Weather in August

NOAA 1991-2020 normals for Arcata Eureka AP, 7.5 km from Westhaven-Moonstone

Average highs run from 64°F on August 1 to 65°F on August 31, and lows from 52°F to 50°F. Normal precipitation for the month is 0.26 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 Westhaven-Moonstone, in °F, with the record for each date.30405060708090151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
65°F
Average low
51°F
Precipitation
0.26 in
Record high
81°FAug 15, 2020
Record low
38°FAug 26, 1995
Chance of a freeze
0%
Daylight
14 h 20 min to 13 h 08 min
Cloud cover
21%
Humidity
53%
Dew point
45°F
Wind
4.0 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 164°F52°F71°F 202645°F 200118%0%
Aug 264°F52°F74°F 199347°F 199418%0%
Aug 364°F52°F70°F 202645°F 201118%0%
Aug 464°F52°F69°F 199745°F 200218%0%
Aug 564°F52°F69°F 201541°F 200218%0%
Aug 664°F52°F70°F 200441°F 200218%0%
Aug 764°F52°F71°F 199242°F 200218%0%
Aug 864°F52°F75°F 200443°F 199518%0%
Aug 964°F52°F74°F 201645°F 199318%0%
Aug 1064°F52°F71°F 201545°F 200818%0%
Aug 1164°F52°F70°F 199244°F 199518%0%
Aug 1264°F52°F69°F 200343°F 200618%0%
Aug 1364°F52°F70°F 201944°F 199518%0%
Aug 1465°F52°F77°F 202043°F 199519%0%
Aug 1565°F52°F81°F 202044°F 200919%0%
Aug 1665°F51°F72°F 199445°F 200419%0%
Aug 1765°F51°F71°F 201345°F 199519%0%
Aug 1865°F51°F74°F 202142°F 199619%0%
Aug 1965°F51°F78°F 199544°F 199519%0%
Aug 2065°F51°F73°F 202144°F 199519%0%
Aug 2165°F51°F79°F 201946°F 201620%0%
Aug 2265°F51°F74°F 199745°F 199220%0%
Aug 2365°F51°F74°F 201044°F 201020%0%
Aug 2465°F51°F72°F 201043°F 201220%0%
Aug 2565°F51°F75°F 199742°F 199320%0%
Aug 2665°F51°F72°F 200438°F 199521%0%
Aug 2765°F50°F78°F 201744°F 199321%0%
Aug 2865°F50°F80°F 200944°F 199521%0%
Aug 2965°F50°F74°F 202344°F 199322%0%
Aug 3065°F50°F79°F 202345°F 200622%0%
Aug 3165°F50°F75°F 201442°F 199922%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Westhaven-Moonstone, 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 6:12 AM, sunset 8:32 PM
August 31
sunrise 6:42 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 USW00024283 (Arcata Eureka AP), public domain. Records: NOAA GHCN-Daily, station USW00024283, 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.