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.
This Afternoon
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 66 in the afternoon. Southwest wind 7 to 10 mph.
7-day forecast for Jewett City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Sunny | 7 to 10 mph SW | 1% |
| Tonight | 57°F | Mostly Cloudy | 6 mph SW | 2% |
| Thursday | 72°F | Slight Chance Light Rain | 5 to 13 mph S | 16% |
| Thursday Night | 62°F | Light Rain Likely | 5 to 9 mph SW | 72% |
| Friday | 70°F | Light Rain Likely | 6 mph S | 72% |
| Friday Night | 55°F | Light Rain Likely | 2 mph W | 70% |
| Saturday | 67°F | Chance Light Rain | 2 to 7 mph W | 37% |
| Saturday Night | 41°F | Chance Light Rain | 5 to 9 mph W | 31% |
| Sunday | 59°F | Chance Light Rain | 8 to 13 mph NW | 31% |
| Sunday Night | 36°F | Partly Cloudy | 6 to 9 mph W | 5% |
| Monday | 57°F | Sunny | 9 to 16 mph W | 5% |
| Monday Night | 33°F | Mostly Clear | 5 to 8 mph W | 5% |
| Tuesday | 60°F | Sunny | 8 to 13 mph W | 1% |
| Tuesday Night | 33°F | Mostly Clear | 7 mph W | 1% |
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
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Mystic
New London
Niantic
Noank
Norwich
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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 Nov 4, 2026.