South Windham, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for South Windham, a community in Windham County, Connecticut.
Today
83°F
Sunny
Sunny, with a high near 83. West wind around 3 mph.
7-day forecast for South Windham
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 3 mph W | 0% |
| Tonight | 59°F | Partly Cloudy | 0 to 3 mph SW | 5% |
| Wednesday | 82°F | Mostly Sunny | 0 to 6 mph W | 6% |
| Wednesday Night | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 1 to 5 mph S | 15% |
| Thursday | 86°F | Chance Rain Showers | 1 to 9 mph SW | 30% |
| Thursday Night | 71°F | Chance Rain Showers | 2 to 8 mph SW | 35% |
| Friday | 88°F | Mostly Sunny then Chance Rain Showers | 2 to 8 mph SW | 25% |
| Friday Night | 70°F | Chance Rain Showers | 1 to 7 mph SW | 34% |
| Saturday | 86°F | Mostly Sunny then Chance Rain Showers | 1 to 7 mph W | 35% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 47% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Rain Showers | 1 to 7 mph W | 17% |
| Sunday Night | 69°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 6 mph SW | 21% |
| Monday | 88°F | Sunny | 2 to 9 mph SW | 10% |
| Monday Night | 68°F | Partly Cloudy | 7 mph W | 13% |
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
Brooklyn
Danielson
Dayville
East Brooklyn
Lake Bungee
Lake Chaffee
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 Aug 4, 2026.