Norwich, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Norwich, a city in New London County, Connecticut.
This Afternoon
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 64 in the afternoon. Southwest wind 6 to 9 mph.
7-day forecast for Norwich
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Sunny | 6 to 9 mph SW | 0% |
| Tonight | 56°F | Partly Cloudy | 5 mph S | 0% |
| Thursday | 73°F | Mostly Cloudy then Chance Rain Showers | 5 to 13 mph S | 37% |
| Thursday Night | 61°F | Showers And Thunderstorms Likely | 5 to 9 mph SW | 73% |
| Friday | 70°F | Rain Showers | 6 mph S | 96% |
| Friday Night | 55°F | Showers And Thunderstorms | 3 mph SW | 92% |
| Saturday | 67°F | Chance Rain Showers | 2 to 7 mph NW | 30% |
| Saturday Night | 42°F | Slight Chance Light Rain | 7 mph NW | 19% |
| Sunday | 61°F | Slight Chance Light Rain then Mostly Sunny | 6 to 9 mph W | 19% |
| Sunday Night | 36°F | Partly Cloudy | 6 mph W | 4% |
| Monday | 58°F | Sunny then Slight Chance Light Rain | 6 to 13 mph W | 15% |
| Monday Night | 34°F | Slight Chance Light Rain then Mostly Clear | 6 mph W | 15% |
| Tuesday | 60°F | Sunny | 6 to 12 mph SW | 7% |
| Tuesday Night | 34°F | Mostly Clear | 7 mph W | 4% |
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 Nov 4, 2026.