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West Cornwall, CT Weather & Growing Conditions

This Afternoon
81°F
Sunny
Sunny, with a high near 81. Northwest wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 81°F Sunny 3 mph NW 0%
Tonight 60°F Partly Cloudy 1 mph S 1%
Wednesday 80°F Partly Sunny 0 to 3 mph S 3%
Wednesday Night 65°F Chance Showers And Thunderstorms 2 mph S 27%
Thursday 84°F Chance Showers And Thunderstorms 1 to 6 mph SW 70%
Thursday Night 68°F Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms 3 mph SW 70%
Friday 85°F Mostly Sunny then Chance Showers And Thunderstorms 1 to 5 mph W 59%
Friday Night 66°F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms 2 mph W 59%
Saturday 83°F Partly Sunny then Chance Showers And Thunderstorms 0 to 6 mph W 50%
Saturday Night 65°F Chance Showers And Thunderstorms 2 mph W 50%
Sunday 84°F Mostly Sunny 0 to 5 mph W 13%
Sunday Night 66°F Mostly Clear 3 mph SW 13%
Monday 85°F Mostly Sunny then Slight Chance Showers And Thunderstorms 1 to 7 mph W 24%
Monday Night 63°F Slight Chance Showers And Thunderstorms 2 to 6 mph W 24%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for West Cornwall, CT

Last spring frost
May 11
First fall frost
Oct 4
Growing season
146 days
Hardiness zone
6a

Explore more for West Cornwall, CT: full frost dates · planting calendar · Connecticut frost dates

Climate data from the nearest NOAA station, Falls Village, Ct (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.