Clinton, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clinton, a community in Middlesex County, Connecticut.
Overnight
54°F
Patchy Fog
Patchy fog. Partly cloudy, with a low around 54. Southwest wind around 3 mph.
7-day forecast for Clinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Patchy Fog | 3 mph SW | 3% |
| Wednesday | 70°F | Patchy Fog then Sunny | 3 to 9 mph SW | 3% |
| Wednesday Night | 58°F | Partly Cloudy | 7 mph SW | 2% |
| Thursday | 70°F | Slight Chance Rain Showers | 5 to 10 mph SW | 23% |
| Thursday Night | 61°F | Rain Showers | 5 to 8 mph SW | 83% |
| Friday | 67°F | Showers And Thunderstorms | 3 to 7 mph S | 90% |
| Friday Night | 56°F | Showers And Thunderstorms | 5 mph SW | 90% |
| Saturday | 65°F | Rain Showers Likely | 8 mph NW | 64% |
| Saturday Night | 45°F | Chance Rain Showers | 7 mph NW | 28% |
| Sunday | 61°F | Slight Chance Rain Showers then Mostly Sunny | 9 mph W | 18% |
| Sunday Night | 43°F | Partly Cloudy then Slight Chance Light Rain | 6 to 9 mph W | 16% |
| Monday | 60°F | Chance Light Rain | 10 to 15 mph NW | 30% |
| Monday Night | 42°F | Chance Light Rain | 9 to 13 mph W | 30% |
| Tuesday | 60°F | Slight Chance Light Rain then Mostly Sunny | 15 mph W | 24% |
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.