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West Cornwall, CT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for West Cornwall, a community in Litchfield County, Connecticut.

Overnight
49°F
Mostly Clear
Mostly clear, with a low around 49. Southeast wind around 2 mph.

7-day forecast for West Cornwall

WhenTempForecastWindPrecip
Overnight 49°F Mostly Clear 2 mph SE 2%
Wednesday 71°F Sunny 2 to 7 mph S 2%
Wednesday Night 54°F Mostly Cloudy 5 mph S 2%
Thursday 67°F Light Rain Likely 7 mph S 70%
Thursday Night 57°F Light Rain 1 to 5 mph SW 81%
Friday 68°F Light Rain Likely 2 mph S 72%
Friday Night 50°F Light Rain Likely 0 mph 72%
Saturday 61°F Chance Light Rain 1 to 5 mph NW 31%
Saturday Night 40°F Chance Light Rain 3 mph NW 37%
Sunday 54°F Slight Chance Light Rain then Mostly Sunny 6 mph NW 21%
Sunday Night 34°F Partly Cloudy 2 mph W 6%
Monday 53°F Mostly Sunny 3 to 9 mph W 14%
Monday Night 32°F Partly Cloudy 5 mph W 14%
Tuesday 56°F Mostly Sunny 3 to 7 mph SW 6%

Forecast source: National Weather Service (api.weather.gov) for West Cornwall (41.864, -73.361). Updated through the day.

Growing snapshot for West Cornwall

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

More local growing data for West Cornwall: nearby ZIP 06796 weather · frost dates · planting calendar · Connecticut frost dates

Nearby towns & communities

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