Darien Downtown, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Darien Downtown, a community in Fairfield County, Connecticut.
Tonight
51°F
Patchy Fog
Patchy fog after 11pm. Partly cloudy, with a low around 51. Southwest wind around 5 mph.
7-day forecast for Darien Downtown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Patchy Fog | 5 mph SW | 3% |
| Wednesday | 71°F | Patchy Fog then Sunny | 3 to 10 mph SW | 3% |
| Wednesday Night | 56°F | Partly Cloudy | 3 to 7 mph SW | 2% |
| Thursday | 71°F | Chance Rain Showers | 3 to 10 mph S | 39% |
| Thursday Night | 60°F | Rain Showers | 3 to 7 mph SW | 82% |
| Friday | 68°F | Showers And Thunderstorms | 6 mph S | 85% |
| Friday Night | 54°F | Showers And Thunderstorms | 5 mph W | 85% |
| Saturday | 65°F | Chance Rain Showers | 8 mph NW | 54% |
| Saturday Night | 42°F | Slight Chance Rain Showers | 9 mph NW | 20% |
| Sunday | 60°F | Slight Chance Rain Showers then Mostly Sunny | 9 mph W | 18% |
| Sunday Night | 38°F | Partly Cloudy | 8 mph W | 14% |
| Monday | 59°F | Chance Light Rain | 8 to 14 mph NW | 25% |
| Monday Night | 38°F | Chance Light Rain | 10 mph W | 27% |
| Tuesday | 61°F | Slight Chance Light Rain then Mostly Sunny | 9 to 14 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov) for Darien Downtown (41.077, -73.470). Updated through the day.
Growing snapshot for Darien Downtown
Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
7a
More local growing data for Darien Downtown: nearby ZIP 06820 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
Danbury
Daniels Farm
Dodgingtown
East Village
Fairfield University
Georgetown
Greens Farms
Greenwich
Hawleyville
Indian Field
Inglenook
Kellogg Point
Climate data from the nearest NOAA station, Stamford 5 N, Ct (4.9 mi from Darien Downtown). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.