Winchendon, MA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winchendon, a community in Worcester County, Massachusetts.
Overnight
42°F
Partly Cloudy
Partly cloudy, with a low around 42. North wind around 3 mph.
7-day forecast for Winchendon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 42°F | Partly Cloudy | 3 mph N | 0% |
| Saturday | 64°F | Mostly Sunny | 2 mph E | 0% |
| Saturday Night | 41°F | Partly Cloudy | 2 mph SE | 0% |
| Sunday | 58°F | Rain Showers | 1 to 6 mph SE | 89% |
| Sunday Night | 46°F | Rain Showers | 1 to 6 mph NE | 80% |
| Monday | 62°F | Mostly Sunny | 7 mph N | 13% |
| Monday Night | 43°F | Partly Cloudy | 3 to 7 mph NE | 4% |
| Tuesday | 58°F | Mostly Cloudy | 8 mph NE | 5% |
| Tuesday Night | 42°F | Mostly Cloudy | 5 to 9 mph NE | 3% |
| Wednesday | 57°F | Partly Sunny | 9 to 14 mph NE | 6% |
| Wednesday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 6 to 9 mph NE | 21% |
| Thursday | 56°F | Chance Rain Showers | 10 mph NE | 27% |
| Thursday Night | 44°F | Chance Rain Showers | 6 to 9 mph NE | 31% |
| Friday | 62°F | Chance Rain Showers | 10 mph N | 31% |
Forecast source: National Weather Service (api.weather.gov) for Winchendon (42.680, -72.042). Updated through the day.
Growing snapshot for Winchendon
Last spring frost
May 6
First fall frost
Oct 1
Growing season
148 days
Hardiness zone
5b
More local growing data for Winchendon: nearby ZIP 01475 weather · frost dates · planting calendar · Massachusetts frost dates
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Climate data from the nearest NOAA station, Birch Hill Dam, Ma (4.2 mi from Winchendon). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.