Williamstown climate

Williamstown Weather in August

NOAA 1991-2020 normals for North Adams Harriman AP, 3.3 km from Williamstown

Average highs run from 81°F on August 1 to 77°F on August 31, and lows from 58°F to 54°F. Normal precipitation for the month is 4.47 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 Williamstown, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
79°F
Average low
56°F
Precipitation
4.47 in
Record high
94°FAug 2, 2006
Record low
38°FAug 22, 1988
Chance of a freeze
0%
Days of 90°F or more
0.9
Daylight
14 h 28 min to 13 h 12 min
Cloud cover
57%
Humidity
76%
Dew point
59°F
Wind
3.6 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°F58°F92°F 200645°F 199847%0%
Aug 280°F58°F94°F 200647°F 199847%0%
Aug 380°F58°F94°F 198847°F 202547%0%
Aug 480°F58°F94°F 202248°F 199947%0%
Aug 580°F58°F94°F 198849°F 201347%0%
Aug 680°F57°F92°F 202245°F 201347%0%
Aug 780°F57°F89°F 200145°F 199747%0%
Aug 880°F57°F91°F 200145°F 200947%0%
Aug 980°F57°F94°F 200146°F 200246%0%
Aug 1080°F57°F90°F 198846°F 199946%0%
Aug 1180°F57°F91°F 202147°F 201346%0%
Aug 1280°F57°F92°F 202144°F 200646%0%
Aug 1380°F57°F92°F 202543°F 200646%0%
Aug 1479°F57°F94°F 200247°F 200746%0%
Aug 1579°F57°F91°F 200246°F 201346%0%
Aug 1679°F56°F91°F 200247°F 201345%0%
Aug 1779°F56°F89°F 200947°F 201345%0%
Aug 1879°F56°F90°F 200244°F 200045%0%
Aug 1979°F56°F86°F 201543°F 198845%0%
Aug 2079°F56°F90°F 202242°F 199845%0%
Aug 2179°F56°F88°F 200943°F 200045%0%
Aug 2278°F55°F87°F 200338°F 198844%0%
Aug 2378°F55°F91°F 202040°F 198844%0%
Aug 2478°F55°F90°F 202042°F 200344%0%
Aug 2578°F55°F93°F 200743°F 200144%0%
Aug 2678°F55°F91°F 202142°F 201943%0%
Aug 2778°F54°F87°F 202142°F 200843%0%
Aug 2878°F54°F90°F 201844°F 201043%0%
Aug 2977°F54°F90°F 201846°F 201443%0%
Aug 3077°F54°F90°F 202244°F 199943%0%
Aug 3177°F54°F90°F 201043°F 199942%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Williamstown, 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 5:45 AM, sunset 8:13 PM
August 31
sunrise 6:17 AM, sunset 7:29 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00054768 (North Adams Harriman AP), public domain. Records: NOAA GHCN-Daily, station USW00054768, 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.