Jewett City, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Jewett City, a borough in New London County, Connecticut.
Today
84°F
Patchy Fog then Mostly Sunny
Patchy fog before 9am. Mostly sunny, with a high near 84. West wind around 5 mph.
7-day forecast for Jewett City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Patchy Fog then Mostly Sunny | 5 mph W | 0% |
| Tonight | 60°F | Mostly Cloudy | 5 mph W | 5% |
| Wednesday | 84°F | Mostly Sunny | 2 to 6 mph W | 7% |
| Wednesday Night | 68°F | Mostly Cloudy | 2 to 6 mph SW | 14% |
| Thursday | 87°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 9 mph SW | 24% |
| Thursday Night | 72°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 8 mph SW | 21% |
| Friday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 9 mph SW | 25% |
| Friday Night | 71°F | Slight Chance Showers And Thunderstorms | 1 to 7 mph SW | 23% |
| Saturday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 8 mph W | 37% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 1 to 6 mph SW | 37% |
| Sunday | 87°F | Mostly Sunny | 1 to 7 mph W | 11% |
| Sunday Night | 70°F | Mostly Clear | 2 to 6 mph SW | 11% |
| Monday | 88°F | Sunny then Slight Chance Rain Showers | 2 to 10 mph W | 15% |
| Monday Night | 68°F | Slight Chance Rain Showers then Mostly Clear | 2 to 8 mph W | 15% |
Forecast source: National Weather Service (api.weather.gov) for Jewett City (41.607, -71.980). Updated through the day.
Growing snapshot for Jewett City
Last spring frost
Apr 14
First fall frost
Oct 24
Growing season
192 days
Hardiness zone
6b
More local growing data for Jewett City: nearby ZIP 06351 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
Baltic
Colchester
Conning Towers-Nautilus Park
Gales Ferry
Groton
Groton Long Point
Long Hill
Mashantucket
Mystic
New London
Niantic
Noank
Norwich
Old Mystic
Oxoboxo River
Pawcatuck
Poquonock Bridge
Stonington
Waterford
Climate data from the nearest NOAA station, Norwich Public Utility Plt, Ct (7.5 mi from Jewett City). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.