Winchendon, MA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Winchendon, a community in Worcester County, Massachusetts.
Today
80°F
Sunny
Sunny, with a high near 80. West wind 2 to 6 mph.
7-day forecast for Winchendon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Sunny | 2 to 6 mph W | 0% |
| Tonight | 56°F | Mostly Clear | 0 to 3 mph SW | 0% |
| Wednesday | 80°F | Partly Sunny | 0 to 6 mph W | 0% |
| Wednesday Night | 62°F | Partly Cloudy | 1 to 5 mph SW | 7% |
| Thursday | 83°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 7 mph SW | 40% |
| Thursday Night | 67°F | Chance Showers And Thunderstorms | 6 mph SW | 54% |
| Friday | 84°F | Mostly Sunny then Chance Rain Showers | 3 to 8 mph SW | 25% |
| Friday Night | 65°F | Chance Rain Showers | 1 to 6 mph W | 33% |
| Saturday | 82°F | Mostly Sunny then Slight Chance Rain Showers | 1 to 6 mph W | 24% |
| Saturday Night | 65°F | Chance Rain Showers then Partly Cloudy | 1 to 5 mph W | 31% |
| Sunday | 83°F | Mostly Sunny | 1 to 7 mph W | 11% |
| Sunday Night | 64°F | Mostly Clear | 6 mph SW | 13% |
| Monday | 83°F | Mostly Sunny | 3 to 10 mph W | 10% |
| Monday Night | 63°F | Partly Cloudy | 8 mph W | 12% |
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 Aug 4, 2026.