Lewis County climate

Lewis County Weather in August

NOAA 1991-2020 normals for Stonewall Jackson Dam, 2.6 km from Lewis County

Average highs run from 84°F on August 1 to 83°F on August 31, and lows from 63°F to 59°F. Normal precipitation for the month is 4.32 in over about 14 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 Lewis County, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
84°F
Average low
61°F
Precipitation
4.32 in
Record high
99°FAug 7, 1918
Record low
34°FAug 29, 1965
Chance of a freeze
0%
Days of 90°F or more
4.3
Daylight
14 h 10 min to 13 h 04 min
Cloud cover
57%
Humidity
68%
Dew point
61°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 184°F63°F94°F 195546°F 189547%0%
Aug 284°F63°F94°F 195545°F 189547%0%
Aug 384°F63°F97°F 195545°F 197647%0%
Aug 484°F63°F97°F 195546°F 195047%0%
Aug 584°F63°F96°F 195540°F 191247%0%
Aug 684°F63°F98°F 191841°F 195747%0%
Aug 784°F63°F99°F 191843°F 195747%0%
Aug 884°F63°F96°F 202445°F 197547%0%
Aug 984°F63°F94°F 198747°F 194547%0%
Aug 1084°F62°F94°F 191146°F 197247%0%
Aug 1184°F62°F96°F 191145°F 196246%0%
Aug 1284°F62°F93°F 201643°F 196546%0%
Aug 1384°F62°F93°F 202142°F 189446%0%
Aug 1484°F62°F94°F 198743°F 194146%0%
Aug 1584°F62°F96°F 198738°F 196446%0%
Aug 1684°F62°F96°F 196541°F 197946%0%
Aug 1784°F62°F95°F 198742°F 197945%0%
Aug 1884°F61°F92°F 196545°F 195745%0%
Aug 1984°F61°F93°F 201943°F 191545%0%
Aug 2084°F61°F93°F 198343°F 196445%0%
Aug 2184°F61°F94°F 193643°F 192244%0%
Aug 2284°F61°F93°F 198341°F 192244%0%
Aug 2384°F61°F93°F 200844°F 197343%0%
Aug 2484°F60°F95°F 190539°F 195143%0%
Aug 2584°F60°F95°F 200739°F 195142%0%
Aug 2684°F60°F95°F 195942°F 191742%0%
Aug 2784°F60°F95°F 194838°F 194542%0%
Aug 2884°F60°F96°F 201642°F 194641%0%
Aug 2983°F59°F97°F 202434°F 196541%0%
Aug 3083°F59°F97°F 195337°F 198641%0%
Aug 3183°F59°F97°F 195338°F 197640%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Lewis 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 6:23 AM, sunset 8:33 PM
August 31
sunrise 6:50 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 USC00468522 (Stonewall Jackson Dam), public domain. Records: NOAA GHCN-Daily, station USC00461220, 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.