Windsor Locks, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Windsor Locks, a community in Hartford County, Connecticut.
Overnight
50°F
Partly Cloudy
Partly cloudy, with a low around 50. South wind around 5 mph.
7-day forecast for Windsor Locks
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 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) for Windsor Locks (41.928, -72.652). Updated through the day.
Growing snapshot for Windsor Locks
Last spring frost
Apr 21
First fall frost
Oct 16
Growing season
177 days
Hardiness zone
6b
More local growing data for Windsor Locks: nearby ZIP 06096 weather · frost dates · planting calendar · Connecticut frost dates
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Climate data from the nearest NOAA station, Hartford Bradley Intl Ap, Ct (1.7 mi from Windsor Locks). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.