South Windham, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Windham, a community in Windham County, Connecticut.
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 for South Windham
| 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 S | 2% |
| Thursday | 73°F | Slight Chance Light Rain | 5 to 13 mph SW | 19% |
| Thursday Night | 61°F | Light Rain | 5 to 8 mph SW | 79% |
| Friday | 69°F | Rain | 6 mph S | 87% |
| Friday Night | 55°F | Rain | 5 mph SW | 86% |
| Saturday | 66°F | Light Rain Likely | 8 mph NW | 63% |
| Saturday Night | 40°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 | 6 mph W | 7% |
| Monday | 59°F | Slight Chance Light Rain | 6 to 14 mph NW | 19% |
| Monday Night | 34°F | Slight Chance Light Rain then Partly Cloudy | 8 mph W | 19% |
Forecast source: National Weather Service (api.weather.gov) for South Windham (41.684, -72.182). Updated through the day.
Growing snapshot for South Windham
Last spring frost
Apr 28
First fall frost
Oct 13
Growing season
167 days
Hardiness zone
6b
More local growing data for South Windham: nearby ZIP 06266 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
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Dayville
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Mechanicsville
Moosup
North Grosvenor Dale
Plainfield Village
Putnam
Quasset Lake
Quinebaug
South Woodstock
Wauregan
Willimantic
Witches Woods
Climate data from the nearest NOAA station, Willimantic Windham Ap, Ct (4.7 mi from South Windham). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.