Washington climate

Washington Weather in August

NOAA 1991-2020 normals for Sperryville, 8.8 km from Washington

Average highs run from 85°F on August 1 to 82°F on August 31, and lows from 64°F to 60°F. Normal precipitation for the month is 4.12 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 Washington, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
84°F
Average low
62°F
Precipitation
4.12 in
Record high
100°FAug 2, 2002
Record low
47°FAug 23, 2015
Chance of a freeze
0%
Days of 90°F or more
7.5
Daylight
14 h 09 min to 13 h 03 min
Cloud cover
55%
Humidity
69%
Dew point
62°F
Wind
3.4 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 185°F64°F97°F 200654°F 199837%0%
Aug 285°F63°F100°F 200252°F 199837%0%
Aug 385°F63°F99°F 200653°F 202137%0%
Aug 485°F63°F94°F 200253°F 202137%0%
Aug 585°F63°F95°F 202253°F 199737%0%
Aug 685°F63°F93°F 199952°F 199736%0%
Aug 785°F63°F96°F 200651°F 200236%0%
Aug 885°F63°F99°F 200752°F 199736%0%
Aug 984°F63°F96°F 200151°F 202136%0%
Aug 1084°F63°F94°F 201051°F 202136%0%
Aug 1184°F63°F95°F 199954°F 199636%0%
Aug 1284°F63°F96°F 202154°F 200636%0%
Aug 1384°F63°F97°F 202152°F 202236%0%
Aug 1484°F63°F96°F 201652°F 202236%0%
Aug 1584°F63°F93°F 200348°F 201936%0%
Aug 1684°F62°F99°F 199751°F 201335%0%
Aug 1784°F62°F100°F 199751°F 201435%0%
Aug 1884°F62°F93°F 200253°F 201335%0%
Aug 1984°F62°F94°F 200249°F 199835%0%
Aug 2084°F62°F92°F 200448°F 199835%0%
Aug 2184°F62°F93°F 200350°F 201935%0%
Aug 2284°F62°F94°F 200250°F 202435%0%
Aug 2383°F62°F95°F 200247°F 201535%0%
Aug 2483°F61°F95°F 199849°F 201534%0%
Aug 2583°F61°F96°F 200752°F 202334%0%
Aug 2683°F61°F97°F 202350°F 201934%0%
Aug 2783°F61°F93°F 201651°F 201634%0%
Aug 2883°F61°F94°F 202247°F 201534%0%
Aug 2982°F61°F95°F 202450°F 202034%0%
Aug 3082°F61°F94°F 201049°F 199934%0%
Aug 3182°F60°F98°F 201049°F 199934%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Washington, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

August 1
sunrise 6:14 AM, sunset 8:23 PM
August 31
sunrise 6:41 AM, sunset 7:44 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00447985 (Sperryville), public domain. Records: NOAA GHCN-Daily, station USC00443229, 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.