Clinton, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clinton, a community in Middlesex County, Connecticut.
This Afternoon
68°F
Sunny
Sunny. High near 68, with temperatures falling to around 65 in the afternoon. Southwest wind around 8 mph.
7-day forecast for Clinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Sunny | 8 mph SW | 0% |
| Tonight | 58°F | Partly Cloudy | 7 mph SW | 3% |
| Thursday | 70°F | Slight Chance Light Rain | 5 to 12 mph S | 20% |
| Thursday Night | 61°F | Light Rain Likely | 5 to 10 mph SW | 73% |
| Friday | 68°F | Light Rain Likely | 5 mph S | 73% |
| Friday Night | 55°F | Light Rain Likely | 2 mph W | 73% |
| Saturday | 65°F | Slight Chance Light Rain | 3 to 7 mph W | 22% |
| Saturday Night | 46°F | Chance Light Rain | 8 to 13 mph W | 29% |
| Sunday | 59°F | Chance Light Rain then Mostly Sunny | 10 to 14 mph NW | 29% |
| Sunday Night | 43°F | Partly Cloudy | 12 mph W | 2% |
| Monday | 58°F | Sunny | 15 mph W | 11% |
| Monday Night | 41°F | Mostly Clear | 10 mph W | 8% |
| Tuesday | 61°F | Sunny | 10 to 14 mph W | 1% |
| Tuesday Night | 42°F | Mostly Clear | 6 to 10 mph W | 1% |
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 Nov 4, 2026.