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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.

Today
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 66 in the afternoon. Southwest wind 5 to 9 mph.

7-day forecast for West Simsbury

WhenTempForecastWindPrecip
Today 73°F Sunny 5 to 9 mph SW 2%
Tonight 56°F Partly Cloudy 7 mph S 2%
Thursday 71°F Patchy Fog then Chance Light Rain 6 to 12 mph S 25%
Thursday Night 60°F Light Rain Likely 1 to 8 mph S 67%
Friday 68°F Light Rain 3 mph S 80%
Friday Night 53°F Light Rain 3 mph NE 78%
Saturday 63°F Chance Light Rain 6 mph NW 25%
Saturday Night 43°F Chance Light Rain 7 to 10 mph NW 27%
Sunday 58°F Slight Chance Light Rain then Mostly Sunny 6 to 10 mph NW 18%
Sunday Night 37°F Partly Cloudy 8 mph W 7%
Monday 55°F Mostly Sunny 9 to 14 mph W 14%
Monday Night 35°F Partly Cloudy 6 to 9 mph W 11%
Tuesday 58°F Mostly Sunny 8 to 12 mph W 5%
Tuesday Night 35°F Mostly Clear 8 mph W 3%

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 Nov 4, 2026.