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
69°F
Mostly Sunny
Mostly sunny, with a high near 69. East wind around 6 mph.
7-day forecast for Jewett City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Mostly Sunny | 6 mph E | 0% |
| Tonight | 48°F | Partly Cloudy | 3 mph E | 0% |
| Sunday | 65°F | Rain | 1 to 6 mph E | 92% |
| Sunday Night | 51°F | Rain | 5 to 8 mph E | 92% |
| Monday | 67°F | Chance Light Rain then Partly Sunny | 6 to 12 mph NE | 26% |
| Monday Night | 46°F | Mostly Cloudy | 3 to 8 mph NE | 3% |
| Tuesday | 63°F | Mostly Cloudy | 8 to 12 mph NE | 7% |
| Tuesday Night | 46°F | Mostly Cloudy | 6 to 10 mph NE | 4% |
| Wednesday | 65°F | Partly Sunny | 12 to 17 mph NE | 4% |
| Wednesday Night | 46°F | Mostly Cloudy then Slight Chance Rain Showers | 10 to 15 mph NE | 24% |
| Thursday | 64°F | Chance Rain Showers | 15 to 20 mph NE | 33% |
| Thursday Night | 47°F | Chance Rain Showers | 14 to 17 mph NE | 37% |
| Friday | 64°F | Chance Rain Showers | 15 to 18 mph N | 34% |
| Friday Night | 47°F | Chance Rain Showers | 13 to 17 mph N | 34% |
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
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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 Sep 19, 2026.