Danbury, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Danbury, a city in Fairfield County, Connecticut.
This Afternoon
82°F
Mostly Sunny
Mostly sunny, with a high near 82. Southwest wind around 3 mph.
7-day forecast for Danbury
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 82°F | Mostly Sunny | 3 mph SW | 0% |
| Tonight | 62°F | Mostly Cloudy | 2 mph SW | 0% |
| Wednesday | 81°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 5 mph SW | 17% |
| Wednesday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 mph S | 24% |
| Thursday | 86°F | Showers And Thunderstorms Likely | 2 to 7 mph SW | 63% |
| Thursday Night | 70°F | Showers And Thunderstorms Likely then Partly Cloudy | 2 to 6 mph SW | 56% |
| Friday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph SW | 47% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 5 mph SW | 44% |
| Saturday | 85°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph W | 39% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 5 mph W | 39% |
| Sunday | 86°F | Mostly Sunny | 2 to 7 mph W | 11% |
| Sunday Night | 68°F | Mostly Clear | 5 mph SW | 11% |
| Monday | 88°F | Sunny then Slight Chance Showers And Thunderstorms | 2 to 9 mph W | 18% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms | 3 to 8 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov) for Danbury (41.399, -73.478). Updated through the day.
Growing snapshot for Danbury
Last spring frost
Apr 20
First fall frost
Oct 20
Growing season
181 days
Hardiness zone
6b
More local growing data for Danbury: nearby ZIP 06811 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
Ball Pond
Bethel
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
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 (3.3 mi from Danbury). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.