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West Simsbury, CT Weather & Growing Conditions

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

This Afternoon
84°F
Sunny
Sunny, with a high near 84. Southwest wind around 2 mph.

7-day forecast for West Simsbury

WhenTempForecastWindPrecip
This Afternoon 84°F Sunny 2 mph SW 0%
Tonight 60°F Mostly Cloudy 2 mph W 0%
Wednesday 83°F Mostly Sunny 0 to 6 mph NW 4%
Wednesday Night 67°F Slight Chance Showers And Thunderstorms 1 to 5 mph S 24%
Thursday 87°F Partly Sunny then Chance Showers And Thunderstorms 0 to 7 mph SW 62%
Thursday Night 70°F Showers And Thunderstorms Likely then Partly Cloudy 2 to 6 mph SW 55%
Friday 87°F Mostly Sunny then Chance Showers And Thunderstorms 1 to 6 mph SW 60%
Friday Night 68°F Showers And Thunderstorms Likely then Mostly Cloudy 3 mph SW 55%
Saturday 86°F Mostly Sunny then Chance Showers And Thunderstorms 1 to 8 mph SW 32%
Saturday Night 68°F Chance Showers And Thunderstorms then Partly Cloudy 2 to 6 mph W 29%
Sunday 86°F Sunny 2 to 8 mph W 12%
Sunday Night 67°F Mostly Clear 2 to 6 mph W 12%
Monday 86°F Sunny then Slight Chance Showers And Thunderstorms 2 to 9 mph W 18%
Monday Night 66°F Chance Showers And Thunderstorms 5 to 8 mph W 26%

Forecast source: National Weather Service (api.weather.gov) for West Simsbury (41.876, -72.845). Updated through the day.

Growing snapshot for West Simsbury

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

More local growing data for West Simsbury: nearby ZIP 06092 weather · frost dates · planting calendar · Connecticut frost dates

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Climate data from the nearest NOAA station, Barkhamsted, Ct (6.2 mi from West Simsbury). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.