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Winchendon, MA Weather & Growing Conditions

Today
65°F
Mostly Sunny
Mostly sunny, with a high near 65. East wind around 2 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 65°F Mostly Sunny 2 mph E 0%
Tonight 42°F Partly Cloudy 3 mph SE 0%
Sunday 55°F Rain Showers 2 to 6 mph SE 89%
Sunday Night 43°F Rain Showers 3 to 7 mph NE 81%
Monday 62°F Partly Sunny 7 mph N 6%
Monday Night 40°F Mostly Cloudy 2 to 6 mph NE 0%
Tuesday 58°F Partly Sunny 8 mph NE 1%
Tuesday Night 40°F Mostly Cloudy 2 to 8 mph NE 1%
Wednesday 58°F Partly Sunny 8 to 14 mph NE 2%
Wednesday Night 40°F Mostly Cloudy then Slight Chance Rain Showers 6 to 10 mph NE 18%
Thursday 57°F Chance Rain Showers 12 mph NE 32%
Thursday Night 41°F Chance Rain Showers 10 to 15 mph NE 34%
Friday 59°F Chance Rain Showers 15 mph NE 34%
Friday Night 42°F Chance Rain Showers 12 to 16 mph NE 32%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Winchendon, MA

Last spring frost
May 6
First fall frost
Oct 1
Growing season
148 days
Hardiness zone
5b

Explore more for Winchendon, MA: full frost dates · planting calendar · Massachusetts frost dates

Climate data from the nearest NOAA station, Birch Hill Dam, Ma (4.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.