Willimantic, CT Weather & Growing Conditions

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

This Afternoon

82°F

Mostly Sunny

Mostly sunny, with a high near 82. North wind around 7 mph.

7-day forecast for Willimantic

When	Temp	Forecast	Wind	Precip
This Afternoon	82°F	Mostly Sunny	7 mph N	0%
Tonight	49°F	Partly Cloudy	7 mph N	0%
Saturday	67°F	Mostly Sunny	3 mph NE	0%
Saturday Night	45°F	Partly Cloudy	3 mph SE	2%
Sunday	66°F	Rain Showers	1 to 7 mph SE	86%
Sunday Night	54°F	Rain Showers	3 to 9 mph E	86%
Monday	66°F	Chance Rain Showers	7 to 12 mph NE	29%
Monday Night	48°F	Slight Chance Rain Showers then Mostly Cloudy	5 to 10 mph NE	17%
Tuesday	63°F	Slight Chance Rain Showers then Partly Sunny	13 mph NE	16%
Tuesday Night	47°F	Mostly Cloudy	8 to 13 mph NE	7%
Wednesday	64°F	Partly Sunny	13 to 18 mph NE	11%
Wednesday Night	47°F	Mostly Cloudy then Slight Chance Rain Showers	9 to 14 mph NE	24%
Thursday	63°F	Chance Rain Showers	14 to 17 mph NE	27%
Thursday Night	48°F	Chance Rain Showers	9 to 14 mph NE	32%

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

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

Nearby towns & communities

Brooklyn Danielson Dayville East Brooklyn Lake Bungee Lake Chaffee Mechanicsville Moosup North Grosvenor Dale Plainfield Village Putnam Quasset Lake Quinebaug South Windham South Woodstock Wauregan Witches Woods

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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 Sep 19, 2026.