Willimantic, CT Weather & Growing Conditions
Tonight
49°F
Partly Cloudy
Partly cloudy, with a low around 49. North wind 3 to 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Partly Cloudy | 3 to 7 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 0 to 3 mph NE | 0% |
| Saturday Night | 45°F | Partly Cloudy | 2 mph SE | 2% |
| Sunday | 66°F | Rain Showers | 0 to 7 mph SE | 86% |
| Sunday Night | 54°F | Rain Showers | 2 to 8 mph E | 87% |
| Monday | 66°F | Chance Rain Showers | 7 to 10 mph NE | 29% |
| Monday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 17% |
| Tuesday | 62°F | Slight Chance Rain Showers then Partly Sunny | 13 mph NE | 15% |
| Tuesday Night | 46°F | Mostly Cloudy | 8 to 12 mph NE | 7% |
| Wednesday | 63°F | Partly Sunny | 13 to 18 mph NE | 11% |
| Wednesday Night | 46°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 | 47°F | Chance Rain Showers | 8 to 14 mph NE | 32% |
| Friday | 66°F | Chance Rain Showers | 12 to 15 mph N | 31% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Willimantic, CT
Last spring frost
Apr 28
First fall frost
Oct 13
Growing season
167 days
Hardiness zone
6b
Explore more for Willimantic, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Willimantic Windham Ap, Ct (1.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.