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Bethel, CT Weather & Growing Conditions

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

Tonight
49°F
Partly Cloudy then Patchy Fog
Patchy fog after midnight. Partly cloudy, with a low around 49. Southwest wind around 3 mph.

7-day forecast for Bethel

WhenTempForecastWindPrecip
Tonight 49°F Partly Cloudy then Patchy Fog 3 mph SW 3%
Wednesday 72°F Sunny 2 to 12 mph SW 3%
Wednesday Night 55°F Partly Cloudy 6 mph S 2%
Thursday 70°F Chance Rain Showers 6 to 9 mph S 48%
Thursday Night 60°F Rain Showers 2 to 7 mph S 82%
Friday 67°F Rain Showers 2 to 6 mph S 82%
Friday Night 53°F Showers And Thunderstorms 3 mph W 82%
Saturday 64°F Chance Rain Showers 5 to 8 mph NW 51%
Saturday Night 41°F Slight Chance Rain Showers 7 mph NW 21%
Sunday 59°F Slight Chance Rain Showers then Mostly Sunny 8 mph NW 21%
Sunday Night 36°F Partly Cloudy then Slight Chance Light Rain 3 to 7 mph W 15%
Monday 58°F Chance Light Rain 7 to 13 mph NW 25%
Monday Night 36°F Chance Light Rain 6 to 9 mph W 25%
Tuesday 59°F Slight Chance Light Rain then Mostly Sunny 9 to 14 mph W 19%

Forecast source: National Weather Service (api.weather.gov) for Bethel (41.360, -73.414). Updated through the day.

Growing snapshot for Bethel

Last spring frost
Apr 20
First fall frost
Oct 20
Growing season
181 days
Hardiness zone
6b

More local growing data for Bethel: nearby ZIP 06801 weather · frost dates · planting calendar · Connecticut frost dates

Nearby towns & communities

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Climate data from the nearest NOAA station, Danbury, Ct (2.7 mi from Bethel). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.