Windsor Locks, CT Weather & Growing Conditions
Today
84°F
Sunny
Sunny, with a high near 84. Southwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 0 to 5 mph SW | 0% |
| Tonight | 59°F | Partly Cloudy | 0 to 3 mph S | 1% |
| Wednesday | 83°F | Mostly Sunny | 0 to 6 mph SW | 2% |
| Wednesday Night | 66°F | Partly Cloudy | 2 to 6 mph S | 13% |
| Thursday | 87°F | Chance Rain Showers | 2 to 9 mph S | 42% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 3 to 8 mph S | 54% |
| Friday | 88°F | Mostly Sunny then Chance Rain Showers | 3 to 8 mph SW | 32% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 1 to 6 mph SW | 43% |
| Saturday | 86°F | Partly Sunny then Chance Rain Showers | 1 to 7 mph W | 29% |
| Saturday Night | 68°F | Chance Rain Showers | 1 to 5 mph SW | 39% |
| Sunday | 87°F | Mostly Sunny then Slight Chance Rain Showers | 1 to 7 mph SW | 15% |
| Sunday Night | 68°F | Slight Chance Rain Showers then Partly Cloudy | 2 to 6 mph SW | 19% |
| Monday | 88°F | Mostly Sunny | 2 to 10 mph SW | 12% |
| Monday Night | 67°F | Partly Cloudy | 8 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Windsor Locks, CT
Last spring frost
Apr 21
First fall frost
Oct 16
Growing season
177 days
Hardiness zone
6b
Explore more for Windsor Locks, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Hartford Bradley Intl Ap, Ct (2.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.