Norwich, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Norwich, a city in New London County, Connecticut.
Today
84°F
Mostly Sunny
Mostly sunny, with a high near 84. West wind around 5 mph.
7-day forecast for Norwich
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Mostly Sunny | 5 mph W | 0% |
| Tonight | 61°F | Mostly Cloudy | 5 mph W | 5% |
| Wednesday | 84°F | Mostly Sunny | 2 to 6 mph W | 7% |
| Wednesday Night | 68°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph S | 16% |
| Thursday | 88°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 9 mph SW | 21% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 8 mph SW | 19% |
| Friday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 9 mph SW | 24% |
| Friday Night | 71°F | Slight Chance Showers And Thunderstorms | 1 to 7 mph SW | 23% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 8 mph SW | 34% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 1 to 6 mph SW | 34% |
| Sunday | 88°F | Mostly Sunny | 1 to 7 mph W | 10% |
| Sunday Night | 71°F | Mostly Clear | 2 to 6 mph SW | 10% |
| Monday | 89°F | Sunny | 2 to 10 mph W | 14% |
| Monday Night | 68°F | Mostly Clear | 2 to 8 mph W | 14% |
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 Aug 4, 2026.