Norwich, CT Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Norwich, a city in New London County, Connecticut.

Tonight

51°F

Partly Cloudy

Partly cloudy, with a low around 51. Southwest wind around 3 mph.

7-day forecast for Norwich

When	Temp	Forecast	Wind	Precip
Tonight	51°F	Partly Cloudy	3 mph SW	3%
Wednesday	73°F	Sunny	3 to 13 mph SW	3%
Wednesday Night	56°F	Partly Cloudy	6 mph SW	2%
Thursday	73°F	Slight Chance Rain Showers	5 to 12 mph SW	16%
Thursday Night	62°F	Rain Showers	5 to 8 mph SW	80%
Friday	69°F	Showers And Thunderstorms	3 to 7 mph S	88%
Friday Night	56°F	Showers And Thunderstorms	5 mph SW	88%
Saturday	67°F	Rain Showers Likely	8 mph NW	69%
Saturday Night	42°F	Chance Rain Showers	6 mph NW	37%
Sunday	62°F	Slight Chance Rain Showers then Mostly Sunny	3 to 8 mph W	22%
Sunday Night	37°F	Partly Cloudy then Slight Chance Light Rain	6 mph W	15%
Monday	60°F	Chance Light Rain	6 to 13 mph NW	25%
Monday Night	35°F	Chance Light Rain	6 to 9 mph W	26%
Tuesday	60°F	Chance Light Rain then Mostly Sunny	9 to 14 mph SW	26%

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

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

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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 Nov 4, 2026.