Willimantic, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Willimantic, a community in Windham County, Connecticut.
Tonight
47°F
Partly Cloudy
Partly cloudy, with a low around 47. South wind around 3 mph.
7-day forecast for Willimantic
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 47°F | Partly Cloudy | 3 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% |
| Tuesday | 59°F | Sunny | 8 to 16 mph SW | 9% |
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
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
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 4, 2026.