Winchendon climate

Winchendon Weather in August

NOAA 1991-2020 normals for Birch Hill Dam, 8.8 km from Winchendon

Average highs run from 82°F on August 1 to 78°F on August 31, and lows from 58°F to 53°F. Normal precipitation for the month is 4.25 in over about 9 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 Winchendon, 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
56°F
Precipitation
4.25 in
Record high
94°FAug 4, 2022
Record low
39°FAug 22, 2007
Chance of a freeze
0%
Days of 90°F or more
1.9
Daylight
14 h 28 min to 13 h 12 min
Cloud cover
56%
Humidity
73%
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 182°F58°F92°F 200646°F 199833%0%
Aug 281°F58°F93°F 200646°F 202333%0%
Aug 381°F58°F92°F 201249°F 202533%0%
Aug 481°F58°F94°F 202252°F 199933%0%
Aug 581°F58°F90°F 202247°F 201933%0%
Aug 681°F58°F92°F 201845°F 201333%0%
Aug 781°F58°F92°F 200145°F 200432%0%
Aug 881°F58°F94°F 202247°F 200932%0%
Aug 981°F57°F94°F 200146°F 200232%0%
Aug 1081°F57°F90°F 202546°F 199932%0%
Aug 1181°F57°F92°F 202543°F 200732%0%
Aug 1281°F57°F93°F 202544°F 200631%0%
Aug 1381°F57°F92°F 200244°F 200631%0%
Aug 1480°F57°F94°F 200247°F 200631%0%
Aug 1580°F57°F89°F 200249°F 200731%0%
Aug 1680°F56°F91°F 200248°F 202630%0%
Aug 1780°F56°F89°F 200948°F 201330%0%
Aug 1880°F56°F89°F 200244°F 200030%0%
Aug 1980°F56°F87°F 201944°F 200729%0%
Aug 2080°F56°F91°F 202242°F 200729%0%
Aug 2180°F55°F88°F 202242°F 200729%0%
Aug 2279°F55°F86°F 200339°F 200728%0%
Aug 2379°F55°F86°F 202047°F 201628%0%
Aug 2479°F55°F88°F 202045°F 201328%0%
Aug 2579°F55°F90°F 200746°F 201327%0%
Aug 2679°F54°F92°F 202144°F 201927%0%
Aug 2779°F54°F89°F 202143°F 201727%0%
Aug 2878°F54°F91°F 201845°F 201026%0%
Aug 2978°F54°F92°F 201844°F 201726%0%
Aug 3078°F53°F89°F 202246°F 200126%0%
Aug 3178°F53°F92°F 201043°F 200226%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Winchendon, 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 5:40 AM, sunset 8:08 PM
August 31
sunrise 6:12 AM, sunset 7:24 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00190666 (Birch Hill Dam), public domain. Records: NOAA GHCN-Daily, station USW00054770, 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.