Norwalk, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Norwalk, a city in Fairfield County, Connecticut.
Today
81°F
Mostly Sunny
Mostly sunny, with a high near 81. Southeast wind around 5 mph.
7-day forecast for Norwalk
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Mostly Sunny | 5 mph SE | 0% |
| Tonight | 66°F | Mostly Cloudy | 5 mph E | 3% |
| Wednesday | 81°F | Partly Sunny then Slight Chance Rain Showers | 7 mph SE | 16% |
| Wednesday Night | 72°F | Chance Rain Showers | 7 mph S | 25% |
| Thursday | 86°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 35% |
| Thursday Night | 74°F | Chance Showers And Thunderstorms then Partly Cloudy | 6 to 10 mph SW | 33% |
| Friday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 8 mph SW | 36% |
| Friday Night | 73°F | Chance Showers And Thunderstorms | 3 to 8 mph W | 36% |
| Saturday | 86°F | Partly Sunny then Chance Showers And Thunderstorms | 3 to 8 mph SW | 31% |
| Saturday Night | 72°F | Chance Showers And Thunderstorms | 7 mph W | 31% |
| Sunday | 87°F | Mostly Sunny | 7 mph W | 12% |
| Sunday Night | 73°F | Mostly Clear | 7 mph SW | 11% |
| Monday | 88°F | Sunny | 5 to 10 mph W | 13% |
| Monday Night | 71°F | Slight Chance Rain Showers | 6 to 9 mph W | 18% |
Forecast source: National Weather Service (api.weather.gov) for Norwalk (41.093, -73.420). Updated through the day.
Growing snapshot for Norwalk
Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
7a
More local growing data for Norwalk: nearby ZIP 06854 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
Darien Downtown
Dodgingtown
East Village
Fairfield University
Georgetown
Greens Farms
Greenwich
Hawleyville
Indian Field
Inglenook
Climate data from the nearest NOAA station, Stamford 5 N, Ct (6.6 mi from Norwalk). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.