Windsor Locks, CT Weather & Growing Conditions
Tonight
50°F
Partly Cloudy
Partly cloudy, with a low around 50. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Partly Cloudy | 5 mph S | 3% |
| Wednesday | 75°F | Sunny | 5 to 10 mph S | 3% |
| Wednesday Night | 55°F | Partly Cloudy | 8 mph S | 2% |
| Thursday | 72°F | Chance Light Rain | 6 to 13 mph S | 41% |
| Thursday Night | 62°F | Light Rain | 5 to 9 mph S | 75% |
| Friday | 69°F | Rain | 5 mph S | 80% |
| Friday Night | 55°F | Rain | 6 mph NW | 79% |
| Saturday | 65°F | Light Rain Likely | 7 mph NW | 57% |
| Saturday Night | 42°F | Chance Light Rain | 7 mph NW | 32% |
| Sunday | 59°F | Slight Chance Light Rain then Mostly Sunny | 6 to 9 mph W | 21% |
| Sunday Night | 36°F | Partly Cloudy | 5 mph W | 8% |
| Monday | 58°F | Slight Chance Light Rain | 6 to 14 mph NW | 21% |
| Monday Night | 34°F | Slight Chance Light Rain | 8 mph W | 20% |
| Tuesday | 59°F | Mostly Sunny | 9 to 14 mph SW | 10% |
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 (1.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.