Bethel, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bethel, a community in Fairfield County, Connecticut.
Today
68°F
Mostly Sunny
Mostly sunny, with a high near 68. East wind around 7 mph.
7-day forecast for Bethel
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 68°F | Mostly Sunny | 7 mph E | 0% |
| Tonight | 51°F | Mostly Cloudy | 5 mph SE | 3% |
| Sunday | 66°F | Rain | 5 to 8 mph SE | 95% |
| Sunday Night | 52°F | Rain | 5 to 8 mph E | 94% |
| Monday | 66°F | Slight Chance Light Rain then Partly Sunny | 7 to 12 mph N | 19% |
| Monday Night | 46°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 9 mph NE | 18% |
| Tuesday | 61°F | Slight Chance Rain Showers | 10 mph NE | 20% |
| Tuesday Night | 45°F | Slight Chance Rain Showers then Mostly Cloudy | 8 to 13 mph NE | 20% |
| Wednesday | 64°F | Partly Sunny | 12 to 15 mph NE | 9% |
| Wednesday Night | 45°F | Mostly Cloudy then Chance Rain Showers | 12 to 15 mph NE | 27% |
| Thursday | 61°F | Chance Rain Showers | 13 to 16 mph NE | 31% |
| Thursday Night | 46°F | Chance Rain Showers | 15 mph N | 37% |
| Friday | 63°F | Chance Rain Showers | 12 to 15 mph N | 36% |
| Friday Night | 47°F | Chance Rain Showers | 13 to 16 mph N | 33% |
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
Ball Pond
Bigelow Corners
Bogus Hill
Botsford
Branchville
Bridgeport
Brookfield Center
Candlewood Isle
Candlewood Knolls
Candlewood Lake Club
Candlewood Orchards
Candlewood Shores
Cannondale
Chimney Point
Coleytown
Compo
Cos Cob
Danbury
Daniels Farm
Darien Downtown
Dodgingtown
East Village
Fairfield University
Georgetown
Greens Farms
Greenwich
Hawleyville
Indian Field
Inglenook
Kellogg Point
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 Sep 19, 2026.