Norwalk, CT Weather & Growing Conditions
This Afternoon
69°F
Mostly Sunny
Mostly sunny, with a high near 69. East wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Mostly Sunny | 7 mph E | 0% |
| Tonight | 59°F | Mostly Cloudy | 8 mph SE | 3% |
| Sunday | 70°F | Rain Showers then Rain | 8 to 12 mph SE | 90% |
| Sunday Night | 57°F | Rain then Rain Showers | 7 to 14 mph SW | 86% |
| Monday | 69°F | Chance Rain Showers | 9 to 13 mph NE | 25% |
| Monday Night | 54°F | Chance Rain Showers | 9 to 14 mph NE | 25% |
| Tuesday | 66°F | Chance Rain Showers | 14 mph NE | 25% |
| Tuesday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 13 to 20 mph NE | 22% |
| Wednesday | 66°F | Mostly Cloudy | 17 to 21 mph NE | 7% |
| Wednesday Night | 53°F | Slight Chance Rain Showers | 18 to 22 mph NE | 20% |
| Thursday | 65°F | Chance Rain Showers | 17 to 22 mph NE | 30% |
| Thursday Night | 53°F | Chance Rain Showers | 18 to 23 mph NE | 36% |
| Friday | 65°F | Chance Rain Showers | 18 to 23 mph N | 41% |
| Friday Night | 55°F | Chance Rain Showers | 22 mph N | 40% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Norwalk, CT
Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
7a
Explore more for Norwalk, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Stamford 5 N, Ct (7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.