Clinton, CT Weather & Growing Conditions
This Afternoon
69°F
Mostly Sunny
Mostly sunny. High near 69, with temperatures falling to around 67 in the afternoon. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 69°F | Mostly Sunny | 5 mph SE | 0% |
| Tonight | 54°F | Mostly Cloudy | 5 mph E | 0% |
| Sunday | 70°F | Rain Showers then Rain | 3 to 9 mph SE | 91% |
| Sunday Night | 55°F | Rain then Rain Showers | 5 to 10 mph SE | 95% |
| Monday | 70°F | Chance Rain Showers then Partly Sunny | 6 to 12 mph NE | 34% |
| Monday Night | 51°F | Mostly Cloudy | 3 to 8 mph NE | 8% |
| Tuesday | 66°F | Slight Chance Rain Showers | 8 to 12 mph NE | 23% |
| Tuesday Night | 51°F | Mostly Cloudy | 9 to 13 mph NE | 10% |
| Wednesday | 67°F | Partly Sunny | 14 to 17 mph NE | 5% |
| Wednesday Night | 50°F | Slight Chance Rain Showers | 13 to 16 mph NE | 20% |
| Thursday | 66°F | Chance Rain Showers | 18 mph NE | 29% |
| Thursday Night | 51°F | Chance Rain Showers | 16 to 20 mph NE | 38% |
| Friday | 66°F | Chance Rain Showers | 20 mph N | 43% |
| Friday Night | 52°F | Chance Rain Showers | 14 to 17 mph N | 43% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Clinton, CT
Last spring frost
Apr 6
First fall frost
Nov 17
Growing season
221 days
Hardiness zone
7a
Explore more for Clinton, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, Orient Pt Sp, Ny (18 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.