Norwalk, CT Weather & Growing Conditions
Today
71°F
Patchy Fog then Sunny
Patchy fog before 8am. Sunny. High near 71, with temperatures falling to around 66 in the afternoon. Southwest wind 2 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Patchy Fog then Sunny | 2 to 10 mph SW | 3% |
| Tonight | 55°F | Partly Cloudy | 3 to 7 mph SW | 3% |
| Thursday | 71°F | Chance Rain Showers | 3 to 10 mph S | 38% |
| Thursday Night | 59°F | Rain Showers | 3 to 7 mph SW | 82% |
| Friday | 68°F | Showers And Thunderstorms | 2 to 6 mph S | 85% |
| Friday Night | 54°F | Showers And Thunderstorms | 5 mph W | 85% |
| Saturday | 65°F | Chance Rain Showers | 5 to 8 mph NW | 54% |
| Saturday Night | 42°F | Slight Chance Rain Showers | 8 mph NW | 20% |
| Sunday | 60°F | Slight Chance Rain Showers then Mostly Sunny | 9 mph W | 19% |
| Sunday Night | 38°F | Partly Cloudy then Slight Chance Light Rain | 8 mph W | 15% |
| Monday | 59°F | Chance Light Rain | 8 to 14 mph NW | 25% |
| Monday Night | 38°F | Chance Light Rain | 10 mph W | 26% |
| Tuesday | 60°F | Slight Chance Light Rain then Mostly Sunny | 10 to 14 mph W | 18% |
| Tuesday Night | 38°F | Partly Cloudy | 12 mph W | 5% |
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 (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.