Willimantic, CT Weather & Growing Conditions
This Afternoon
71°F
Partly Sunny
Partly sunny. High near 71, with temperatures falling to around 60 in the afternoon. Southwest wind around 6 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Partly Sunny | 6 mph SW | 2% |
| Tonight | 47°F | Partly Cloudy | 5 mph S | 3% |
| Wednesday | 74°F | Sunny | 3 to 10 mph SW | 4% |
| Wednesday Night | 53°F | Patchy Fog then Partly Cloudy | 6 mph SW | 2% |
| Thursday | 73°F | Slight Chance Light Rain | 3 to 13 mph SW | 21% |
| Thursday Night | 61°F | Light Rain | 3 to 8 mph SW | 80% |
| Friday | 69°F | Rain | 2 to 6 mph S | 86% |
| Friday Night | 55°F | Rain | 3 mph SW | 85% |
| Saturday | 66°F | Light Rain Likely | 5 to 8 mph NW | 63% |
| Saturday Night | 41°F | Chance Light Rain | 6 mph NW | 32% |
| Sunday | 61°F | Slight Chance Light Rain then Mostly Sunny | 6 to 9 mph W | 19% |
| Sunday Night | 35°F | Partly Cloudy | 5 mph W | 7% |
| Monday | 59°F | Slight Chance Light Rain | 5 to 14 mph NW | 20% |
| Monday Night | 34°F | Slight Chance Light Rain then Partly Cloudy | 8 mph W | 19% |
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 (2.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.