Windsor Locks, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Windsor Locks, a community in Hartford County, Connecticut.
Tonight
50°F
Partly Cloudy
Partly cloudy, with a low around 50. North wind around 9 mph.
7-day forecast for Windsor Locks
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Partly Cloudy | 9 mph N | 0% |
| Saturday | 69°F | Mostly Sunny | 2 to 7 mph N | 0% |
| Saturday Night | 48°F | Partly Cloudy | 2 mph SE | 4% |
| Sunday | 64°F | Rain Showers | 1 to 6 mph SE | 92% |
| Sunday Night | 53°F | Rain Showers | 5 to 13 mph E | 91% |
| Monday | 66°F | Slight Chance Rain Showers | 8 to 13 mph N | 22% |
| Monday Night | 49°F | Partly Cloudy | 6 to 10 mph N | 13% |
| Tuesday | 62°F | Slight Chance Rain Showers then Mostly Cloudy | 12 mph NE | 16% |
| Tuesday Night | 47°F | Mostly Cloudy | 8 to 12 mph NE | 7% |
| Wednesday | 63°F | Partly Sunny | 12 to 15 mph NE | 11% |
| Wednesday Night | 47°F | Mostly Cloudy then Slight Chance Rain Showers | 13 mph NE | 23% |
| Thursday | 61°F | Chance Rain Showers | 13 to 16 mph NE | 29% |
| Thursday Night | 49°F | Chance Rain Showers | 10 to 14 mph N | 33% |
| Friday | 66°F | Chance Rain Showers | 15 mph N | 31% |
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
Nearby towns & communities
Blue Hills
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Newington
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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 Sep 19, 2026.