Willimantic, CT Weather & Growing Conditions
Today
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 64 in the afternoon. Southwest wind 6 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 73°F | Sunny | 6 to 10 mph SW | 2% |
| Tonight | 55°F | Partly Cloudy | 3 to 7 mph S | 2% |
| Thursday | 73°F | Patchy Fog then Slight Chance Light Rain | 3 to 13 mph S | 17% |
| Thursday Night | 60°F | Light Rain Likely | 0 to 8 mph SW | 71% |
| Friday | 70°F | Light Rain | 0 to 5 mph S | 93% |
| Friday Night | 54°F | Light Rain | 1 mph SE | 92% |
| Saturday | 66°F | Chance Light Rain | 0 to 7 mph N | 41% |
| Saturday Night | 40°F | Slight Chance Light Rain | 7 mph NW | 21% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 6 to 10 mph W | 17% |
| Sunday Night | 33°F | Partly Cloudy | 6 mph W | 6% |
| Monday | 56°F | Mostly Sunny then Slight Chance Light Rain | 6 to 14 mph W | 15% |
| Monday Night | 30°F | Partly Cloudy | 5 to 8 mph W | 13% |
| Tuesday | 59°F | Mostly Sunny | 6 to 13 mph W | 6% |
| Tuesday Night | 31°F | Mostly Clear | 8 mph W | 4% |
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 Nov 4, 2026.