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Branchville, CT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Branchville, a community in Fairfield County, Connecticut.

Today
82°F
Mostly Sunny
Mostly sunny, with a high near 82. Southwest wind around 3 mph.

7-day forecast for Branchville

WhenTempForecastWindPrecip
Today 82°F Mostly Sunny 3 mph SW 0%
Tonight 62°F Mostly Cloudy 3 mph SW 1%
Wednesday 82°F Partly Sunny 2 to 6 mph S 13%
Wednesday Night 68°F Chance Rain Showers 5 mph S 26%
Thursday 86°F Chance Showers And Thunderstorms 3 to 8 mph SW 53%
Thursday Night 71°F Chance Showers And Thunderstorms then Partly Cloudy 3 to 7 mph SW 48%
Friday 88°F Mostly Sunny then Chance Showers And Thunderstorms 3 to 7 mph SW 44%
Friday Night 69°F Chance Showers And Thunderstorms 5 mph W 42%
Saturday 85°F Partly Sunny then Chance Showers And Thunderstorms 3 to 8 mph W 37%
Saturday Night 68°F Chance Showers And Thunderstorms 6 mph W 37%
Sunday 86°F Mostly Sunny 3 to 7 mph W 13%
Sunday Night 69°F Mostly Clear 6 mph SW 13%
Monday 88°F Sunny then Slight Chance Showers And Thunderstorms 3 to 9 mph W 16%
Monday Night 67°F Slight Chance Showers And Thunderstorms 5 to 8 mph W 17%

Forecast source: National Weather Service (api.weather.gov) for Branchville (41.268, -73.443). Updated through the day.

Growing snapshot for Branchville

Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
7a

More local growing data for Branchville: nearby ZIP 06897 weather · frost dates · planting calendar · Connecticut frost dates

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Climate data from the nearest NOAA station, Stamford 5 N, Ct (8.2 mi from Branchville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.