Marietta climate

Marietta Weather in August

NOAA 1991-2020 normals for Bellingham Intl AP, 3.2 km from Marietta

Average highs run from 74°F on August 1 to 71°F on August 31, and lows from 56°F to 53°F. Normal precipitation for the month is 1.13 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 Marietta, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
73°F
Average low
55°F
Precipitation
1.13 in
Record high
100°FAug 12, 2021
Record low
38°FAug 29, 1969
Chance of a freeze
0%
Daylight
15 h 04 min to 13 h 28 min
Cloud cover
51%
Humidity
77%
Dew point
56°F
Wind
3.1 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 174°F56°F86°F 201544°F 195316%0%
Aug 274°F56°F84°F 196143°F 195716%0%
Aug 374°F56°F90°F 199344°F 200216%0%
Aug 474°F56°F89°F 199342°F 195017%0%
Aug 574°F56°F85°F 201245°F 195917%0%
Aug 674°F56°F82°F 195546°F 195117%0%
Aug 774°F56°F87°F 201848°F 195617%0%
Aug 874°F56°F94°F 197847°F 195517%0%
Aug 974°F56°F94°F 196042°F 195518%0%
Aug 1074°F56°F88°F 197743°F 195418%0%
Aug 1174°F55°F93°F 199045°F 195418%0%
Aug 1274°F55°F100°F 202144°F 200018%0%
Aug 1374°F55°F90°F 201040°F 195519%0%
Aug 1474°F55°F88°F 201044°F 195519%0%
Aug 1573°F55°F90°F 201044°F 196019%0%
Aug 1673°F55°F90°F 202043°F 200020%0%
Aug 1773°F55°F93°F 197742°F 196920%0%
Aug 1873°F55°F88°F 201642°F 197320%0%
Aug 1973°F55°F89°F 201644°F 197321%0%
Aug 2073°F54°F87°F 201844°F 195221%0%
Aug 2173°F54°F85°F 195842°F 195522%0%
Aug 2273°F54°F86°F 195643°F 196922%0%
Aug 2373°F54°F83°F 202541°F 195523%0%
Aug 2472°F54°F85°F 195841°F 200323%0%
Aug 2572°F54°F85°F 201640°F 195424%0%
Aug 2672°F54°F87°F 201642°F 194925%0%
Aug 2772°F53°F85°F 199441°F 195425%0%
Aug 2872°F53°F86°F 196741°F 200026%0%
Aug 2972°F53°F85°F 197438°F 196926%0%
Aug 3072°F53°F85°F 198742°F 196527%0%
Aug 3171°F53°F86°F 198742°F 196627%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Marietta, 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 (PDT).

August 1
sunrise 5:44 AM, sunset 8:48 PM
August 31
sunrise 6:26 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 USW00024217 (Bellingham Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00024217, 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.