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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.

Tonight
50°F
Partly Cloudy
Partly cloudy, with a low around 50. North wind around 7 mph.

7-day forecast for West Simsbury

WhenTempForecastWindPrecip
Tonight 50°F Partly Cloudy 7 mph N 0%
Saturday 67°F Mostly Sunny 2 to 6 mph NE 0%
Saturday Night 48°F Mostly Cloudy 2 mph S 4%
Sunday 63°F Rain Showers 0 to 6 mph SE 95%
Sunday Night 54°F Rain Showers 3 to 12 mph NE 93%
Monday 64°F Slight Chance Rain Showers 7 to 12 mph N 22%
Monday Night 49°F Slight Chance Rain Showers then Partly Cloudy 6 to 10 mph NE 15%
Tuesday 61°F Slight Chance Rain Showers 12 mph NE 17%
Tuesday Night 47°F Mostly Cloudy 8 to 13 mph NE 7%
Wednesday 61°F Partly Sunny 12 to 15 mph NE 11%
Wednesday Night 48°F Mostly Cloudy then Slight Chance Rain Showers 10 to 14 mph NE 23%
Thursday 60°F Chance Rain Showers 12 to 15 mph NE 29%
Thursday Night 49°F Chance Rain Showers 9 to 14 mph NE 35%
Friday 65°F Chance Rain Showers 10 to 14 mph N 32%

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 Sep 19, 2026.