Clinton, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clinton, a community in Middlesex County, Connecticut.
Tonight
55°F
Partly Cloudy
Partly cloudy, with a low around 55. North wind 6 to 9 mph.
7-day forecast for Clinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Partly Cloudy | 6 to 9 mph N | 0% |
| Saturday | 68°F | Mostly Sunny | 9 mph E | 0% |
| Saturday Night | 58°F | Mostly Cloudy | 5 to 8 mph SE | 1% |
| Sunday | 69°F | Showers And Thunderstorms | 5 to 13 mph SE | 84% |
| Sunday Night | 58°F | Showers And Thunderstorms | 6 to 10 mph SE | 90% |
| Monday | 68°F | Rain Showers Likely | 9 to 14 mph NE | 56% |
| Monday Night | 54°F | Slight Chance Rain Showers | 8 to 13 mph NE | 24% |
| Tuesday | 65°F | Slight Chance Rain Showers | 16 mph NE | 23% |
| Tuesday Night | 52°F | Mostly Cloudy | 13 to 16 mph NE | 13% |
| Wednesday | 65°F | Partly Sunny then Slight Chance Rain Showers | 16 to 20 mph NE | 15% |
| Wednesday Night | 52°F | Chance Rain Showers | 14 to 17 mph NE | 26% |
| Thursday | 64°F | Chance Rain Showers | 16 to 20 mph NE | 33% |
| Thursday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Friday | 67°F | Chance Rain Showers | 10 to 15 mph N | 33% |
Forecast source: National Weather Service (api.weather.gov) for Clinton (41.276, -72.529). Updated through the day.
Growing snapshot for Clinton
Last spring frost
Apr 6
First fall frost
Nov 17
Growing season
221 days
Hardiness zone
7a
More local growing data for Clinton: nearby ZIP 06413 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
Chester Center
Deep River Center
Durham
East Hampton
Essex Village
Fenwick
Higganum
Lake Pocotopaug
Middletown
Moodus
Old Saybrook Center
Portland
Saybrook Manor
Westbrook Center
Climate data from the nearest NOAA station, Orient Pt Sp, Ny (18 mi from Clinton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.