Washington County climate

Washington County Weather in August

NOAA 1991-2020 normals for Plymouth 5 E, 8.9 km from Washington County

Average highs run from 89°F on August 1 to 86°F on August 31, and lows from 70°F to 68°F. Normal precipitation for the month is 6.60 in over about 13 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 Washington County, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
88°F
Average low
69°F
Precipitation
6.60 in
Record high
104°FAug 3, 1942
Record low
46°FAug 25, 1952
Chance of a freeze
0%
Days of 90°F or more
11.0
Daylight
13 h 57 min to 12 h 57 min
Cloud cover
55%
Humidity
77%
Dew point
70°F
Wind
6.7 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 189°F70°F101°F 194256°F 191443%0%
Aug 289°F70°F102°F 194256°F 190543%0%
Aug 389°F70°F104°F 194257°F 191943%0%
Aug 489°F70°F98°F 192857°F 198543%0%
Aug 589°F70°F98°F 189955°F 191243%0%
Aug 689°F70°F98°F 192853°F 191243%0%
Aug 788°F70°F100°F 191853°F 200443%0%
Aug 888°F70°F97°F 196857°F 195043%0%
Aug 988°F70°F100°F 193054°F 191043%0%
Aug 1088°F70°F100°F 193058°F 200243%0%
Aug 1188°F69°F99°F 190056°F 197243%0%
Aug 1288°F69°F100°F 194153°F 197243%0%
Aug 1388°F69°F101°F 192654°F 200643%0%
Aug 1488°F69°F100°F 191850°F 194143%0%
Aug 1588°F69°F98°F 190053°F 195042%0%
Aug 1688°F69°F99°F 192652°F 192142%0%
Aug 1788°F69°F97°F 192659°F 197242%0%
Aug 1888°F69°F98°F 190056°F 190242%0%
Aug 1988°F69°F98°F 191253°F 195341%0%
Aug 2087°F69°F98°F 190053°F 194341%0%
Aug 2187°F69°F99°F 200551°F 192241%0%
Aug 2287°F69°F97°F 198350°F 192240%0%
Aug 2387°F69°F98°F 196850°F 192140%0%
Aug 2487°F68°F98°F 196849°F 195239%0%
Aug 2587°F68°F98°F 196846°F 195239%0%
Aug 2687°F68°F96°F 193650°F 190239%0%
Aug 2787°F68°F96°F 190054°F 190539%0%
Aug 2886°F68°F99°F 194850°F 190538%0%
Aug 2986°F68°F99°F 194850°F 198638%0%
Aug 3086°F68°F98°F 193250°F 198238%0%
Aug 3186°F68°F100°F 193253°F 190238%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Washington County, 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 (EDT).

August 1
sunrise 6:14 AM, sunset 8:11 PM
August 31
sunrise 6:38 AM, sunset 7:35 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00316853 (Plymouth 5 E), public domain. Records: NOAA GHCN-Daily, station USC00312635, 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.