Norwich, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Norwich, a city in New London County, Connecticut.
Tonight
50°F
Partly Cloudy
Partly cloudy, with a low around 50. North wind around 8 mph.
7-day forecast for Norwich
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Partly Cloudy | 8 mph N | 0% |
| Saturday | 70°F | Mostly Sunny | 8 mph E | 0% |
| Saturday Night | 51°F | Mostly Cloudy | 3 to 7 mph SE | 0% |
| Sunday | 68°F | Showers And Thunderstorms | 3 to 12 mph SE | 83% |
| Sunday Night | 56°F | Showers And Thunderstorms | 3 to 9 mph E | 89% |
| Monday | 67°F | Chance Rain Showers | 7 to 12 mph NE | 50% |
| Monday Night | 49°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 22% |
| Tuesday | 64°F | Slight Chance Rain Showers | 13 mph NE | 16% |
| Tuesday Night | 48°F | Mostly Cloudy | 8 to 13 mph NE | 6% |
| Wednesday | 64°F | Partly Sunny | 13 to 17 mph NE | 12% |
| Wednesday Night | 48°F | Chance Rain Showers | 9 to 15 mph NE | 25% |
| Thursday | 64°F | Chance Rain Showers | 16 mph NE | 29% |
| Thursday Night | 49°F | Chance Rain Showers | 8 to 13 mph NE | 34% |
| Friday | 66°F | Chance Rain Showers | 10 to 14 mph N | 34% |
Forecast source: National Weather Service (api.weather.gov) for Norwich (41.548, -72.089). Updated through the day.
Growing snapshot for Norwich
Last spring frost
Apr 14
First fall frost
Oct 24
Growing season
192 days
Hardiness zone
6b
More local growing data for Norwich: nearby ZIP 06360 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
Baltic
Colchester
Conning Towers-Nautilus Park
Gales Ferry
Groton
Groton Long Point
Jewett City
Long Hill
Mashantucket
Mystic
New London
Niantic
Noank
Old Mystic
Oxoboxo River
Pawcatuck
Poquonock Bridge
Stonington
Waterford
Climate data from the nearest NOAA station, Norwich Public Utility Plt, Ct (1.9 mi from Norwich). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.