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Willimantic, CT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Willimantic, a community in Windham County, Connecticut.

Today
71°F
Partly Sunny
Partly sunny. High near 71, with temperatures falling to around 63 in the afternoon. Southwest wind around 7 mph.

7-day forecast for Willimantic

WhenTempForecastWindPrecip
Today 71°F Partly Sunny 7 mph SW 4%
Tonight 49°F Partly Cloudy 3 mph SW 5%
Wednesday 73°F Mostly Sunny 2 to 10 mph SW 3%
Wednesday Night 54°F Partly Cloudy 6 mph SW 0%
Thursday 72°F Slight Chance Light Rain 3 to 12 mph SW 23%
Thursday Night 60°F Light Rain Likely 2 to 7 mph SW 56%
Friday 70°F Rain 2 to 6 mph S 78%
Friday Night 53°F Rain 5 mph S 80%
Saturday 66°F Light Rain Likely 3 to 7 mph N 67%
Saturday Night 42°F Chance Light Rain 5 mph N 36%
Sunday 62°F Slight Chance Light Rain then Mostly Sunny 3 to 7 mph NW 16%
Sunday Night 38°F Partly Cloudy 3 mph W 13%
Monday 59°F Chance Light Rain 3 to 9 mph NW 31%
Monday Night 36°F Chance Light Rain 5 to 8 mph NW 29%

Forecast source: National Weather Service (api.weather.gov) for Willimantic (41.717, -72.212). Updated through the day.

Growing snapshot for Willimantic

Last spring frost
Apr 28
First fall frost
Oct 13
Growing season
167 days
Hardiness zone
6b

More local growing data for Willimantic: nearby ZIP 06226 weather · frost dates · planting calendar · Connecticut frost dates

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Climate data from the nearest NOAA station, Willimantic Windham Ap, Ct (2.7 mi from Willimantic). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.