Putnam, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Putnam, a community in Windham County, Connecticut.
Today
83°F
Sunny
Sunny, with a high near 83. West wind around 5 mph.
7-day forecast for Putnam
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 5 mph W | 0% |
| Tonight | 59°F | Partly Cloudy | 3 mph SW | 3% |
| Wednesday | 82°F | Mostly Sunny | 1 to 6 mph W | 5% |
| Wednesday Night | 65°F | Partly Cloudy | 2 to 6 mph SW | 11% |
| Thursday | 86°F | Chance Rain Showers | 2 to 8 mph SW | 36% |
| Thursday Night | 71°F | Chance Showers And Thunderstorms | 3 to 7 mph SW | 43% |
| Friday | 88°F | Mostly Sunny then Chance Rain Showers | 3 to 8 mph SW | 26% |
| Friday Night | 70°F | Chance Rain Showers | 2 to 7 mph W | 36% |
| Saturday | 86°F | Partly Sunny then Chance Rain Showers | 2 to 7 mph W | 36% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 5 mph SW | 47% |
| Sunday | 86°F | Mostly Sunny then Slight Chance Rain Showers | 2 to 7 mph W | 16% |
| Sunday Night | 68°F | Slight Chance Rain Showers then Partly Cloudy | 6 mph SW | 19% |
| Monday | 87°F | Sunny | 3 to 9 mph SW | 11% |
| Monday Night | 67°F | Partly Cloudy | 8 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov) for Putnam (41.917, -71.911). Updated through the day.
Growing snapshot for Putnam
Last spring frost
May 1
First fall frost
Oct 9
Growing season
161 days
Hardiness zone
6b
More local growing data for Putnam: nearby ZIP 06260 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
Quasset Lake
Quinebaug
South Windham
South Woodstock
Wauregan
Willimantic
Witches Woods
Climate data from the nearest NOAA station, W Thompson Lake, Ct (3 mi from Putnam). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.