Grafton climate

Grafton Weather in August

NOAA 1991-2020 normals for Tygart Dam, 3.2 km from Grafton

Average highs run from 81°F on August 1 to 80°F on August 31, and lows from 62°F to 58°F. Normal precipitation for the month is 4.37 in over about 12 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 Grafton, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
80°F
Average low
60°F
Precipitation
4.37 in
Record high
98°FAug 9, 1941
Record low
40°FAug 27, 1939
Chance of a freeze
0%
Days of 90°F or more
0.8
Daylight
14 h 12 min to 13 h 04 min
Cloud cover
59%
Humidity
70%
Dew point
60°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 181°F62°F90°F 200253°F 202342%0%
Aug 281°F62°F92°F 200553°F 194742%0%
Aug 381°F62°F93°F 200554°F 194042%0%
Aug 481°F62°F94°F 194450°F 194541%0%
Aug 581°F62°F92°F 202450°F 201341%0%
Aug 681°F61°F95°F 202450°F 200441%0%
Aug 781°F61°F93°F 194152°F 200441%0%
Aug 881°F61°F94°F 200749°F 200241%0%
Aug 981°F61°F98°F 194149°F 201741%0%
Aug 1081°F61°F92°F 201052°F 194540%0%
Aug 1181°F61°F93°F 194452°F 200840%0%
Aug 1281°F61°F95°F 193949°F 194640%0%
Aug 1381°F61°F96°F 200544°F 194140%0%
Aug 1481°F61°F94°F 200244°F 194140%0%
Aug 1581°F60°F92°F 194447°F 201439%0%
Aug 1681°F60°F92°F 202545°F 201439%0%
Aug 1781°F60°F92°F 199949°F 194139%0%
Aug 1881°F60°F95°F 193951°F 194138%0%
Aug 1981°F60°F98°F 194047°F 194338%0%
Aug 2080°F60°F93°F 200546°F 194338%0%
Aug 2180°F59°F89°F 200843°F 194038%0%
Aug 2280°F59°F91°F 200247°F 202437%0%
Aug 2380°F59°F91°F 200748°F 202437%0%
Aug 2480°F59°F93°F 200744°F 194636%0%
Aug 2580°F59°F92°F 202143°F 194436%0%
Aug 2680°F59°F94°F 202444°F 194636%0%
Aug 2780°F58°F94°F 201640°F 193935%0%
Aug 2880°F58°F98°F 202444°F 194635%0%
Aug 2980°F58°F94°F 202450°F 201435%0%
Aug 3080°F58°F95°F 202446°F 194634%0%
Aug 3180°F58°F94°F 201044°F 194634%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Grafton, 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 6:20 AM, sunset 8:32 PM
August 31
sunrise 6:48 AM, sunset 7:52 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00468986 (Tygart Dam), public domain. Records: NOAA GHCN-Daily, station USW00003802, 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.