Harman US

West Simsbury, CT Weather & Growing Conditions

Today
82°F
Sunny
Sunny, with a high near 82. West wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 82°F Sunny 3 mph W 0%
Tonight 60°F Partly Cloudy 3 mph W 1%
Wednesday 81°F Partly Sunny 1 to 5 mph SW 2%
Wednesday Night 65°F Slight Chance Rain Showers 5 mph S 16%
Thursday 84°F Chance Rain Showers 2 to 7 mph SW 42%
Thursday Night 69°F Chance Showers And Thunderstorms 7 mph SW 54%
Friday 85°F Mostly Sunny then Chance Showers And Thunderstorms 7 mph SW 35%
Friday Night 68°F Chance Showers And Thunderstorms 6 mph W 48%
Saturday 83°F Partly Sunny then Chance Rain Showers 3 to 7 mph W 32%
Saturday Night 67°F Chance Showers And Thunderstorms then Mostly Cloudy 5 mph W 41%
Sunday 84°F Mostly Sunny then Slight Chance Rain Showers 3 to 7 mph W 15%
Sunday Night 68°F Slight Chance Rain Showers then Partly Cloudy 6 mph SW 19%
Monday 84°F Sunny 3 to 9 mph W 11%
Monday Night 67°F Partly Cloudy 7 mph W 13%

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

Growing snapshot for West Simsbury, CT

Last spring frost
Apr 30
First fall frost
Oct 17
Growing season
168 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Barkhamsted, Ct (4.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.