Cornwall Bridge, CT Weather & Growing Conditions
Tonight
51°F
Mostly Cloudy
Mostly cloudy, with a low around 51. Southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Mostly Cloudy | 3 mph SE | 2% |
| Sunday | 66°F | Rain Showers | 7 mph SE | 99% |
| Sunday Night | 51°F | Showers And Thunderstorms then Cloudy | 2 to 8 mph NE | 90% |
| Monday | 69°F | Partly Sunny | 5 to 8 mph N | 1% |
| Monday Night | 46°F | Mostly Cloudy | 5 mph NE | 13% |
| Tuesday | 64°F | Slight Chance Rain Showers | 6 mph NE | 18% |
| Tuesday Night | 45°F | Mostly Cloudy | 3 to 8 mph NE | 4% |
| Wednesday | 65°F | Partly Sunny | 10 mph NE | 4% |
| Wednesday Night | 45°F | Slight Chance Rain Showers | 7 to 12 mph NE | 17% |
| Thursday | 64°F | Chance Rain Showers | 7 to 12 mph NE | 25% |
| Thursday Night | 46°F | Chance Rain Showers | 7 to 15 mph NE | 32% |
| Friday | 65°F | Chance Rain Showers | 8 to 15 mph N | 36% |
| Friday Night | 48°F | Chance Rain Showers | 8 to 15 mph N | 36% |
| Saturday | 68°F | Chance Rain Showers | 8 to 15 mph N | 27% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cornwall Bridge, CT
Last spring frost
May 4
First fall frost
Oct 7
Growing season
155 days
Hardiness zone
6a
Explore more for Cornwall Bridge, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Millbrook 3 W, Ny (14.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.