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Simsbury Center, CT Weather & Growing Conditions

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

This Afternoon
77°F
Sunny
Sunny. High near 77, with temperatures falling to around 67 in the afternoon. Southwest wind around 10 mph.

7-day forecast for Simsbury Center

WhenTempForecastWindPrecip
This Afternoon 77°F Sunny 10 mph SW 2%
Tonight 56°F Partly Cloudy 7 mph S 2%
Thursday 71°F Patchy Fog then Slight Chance Light Rain 6 to 12 mph S 24%
Thursday Night 60°F Light Rain Likely 1 to 8 mph S 66%
Friday 69°F Light Rain 3 mph S 80%
Friday Night 53°F Light Rain 3 mph N 79%
Saturday 64°F Chance Light Rain 3 to 7 mph NW 25%
Saturday Night 43°F Chance Light Rain 6 to 9 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 7 mph W 7%
Monday 55°F Mostly Sunny 7 to 14 mph W 14%
Monday Night 35°F Partly Cloudy 5 to 8 mph W 11%
Tuesday 59°F Mostly Sunny 8 to 12 mph W 5%
Tuesday Night 34°F Mostly Clear 7 mph W 3%

Forecast source: National Weather Service (api.weather.gov) for Simsbury Center (41.881, -72.807). Updated through the day.

Growing snapshot for Simsbury Center

Last spring frost
Apr 21
First fall frost
Oct 16
Growing season
177 days
Hardiness zone
6b

More local growing data for Simsbury Center: nearby ZIP 06070 weather · frost dates · planting calendar · Connecticut frost dates

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Climate data from the nearest NOAA station, Hartford Bradley Intl Ap, Ct (8.1 mi from Simsbury Center). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.