Clinton, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clinton, a community in Middlesex County, Connecticut.
Today
81°F
Mostly Sunny
Mostly sunny. High near 81, with temperatures falling to around 79 in the afternoon. Southwest wind around 3 mph.
7-day forecast for Clinton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Mostly Sunny | 3 mph SW | 0% |
| Tonight | 65°F | Mostly Cloudy | 3 mph NE | 7% |
| Wednesday | 81°F | Partly Sunny | 5 mph SW | 6% |
| Wednesday Night | 70°F | Mostly Cloudy then Chance Rain Showers | 3 mph S | 26% |
| Thursday | 84°F | Slight Chance Rain Showers then Mostly Sunny | 2 to 9 mph SW | 15% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 8 mph SW | 16% |
| Friday | 86°F | Sunny then Slight Chance Showers And Thunderstorms | 3 to 7 mph SW | 18% |
| Friday Night | 72°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 23% |
| Saturday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 23% |
| Saturday Night | 71°F | Slight Chance Showers And Thunderstorms | 5 mph SW | 24% |
| Sunday | 84°F | Mostly Sunny | 2 to 7 mph W | 14% |
| Sunday Night | 72°F | Mostly Clear | 2 to 6 mph SW | 9% |
| Monday | 86°F | Sunny | 2 to 8 mph W | 9% |
| Monday Night | 70°F | Partly Cloudy | 3 to 7 mph W | 14% |
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 Aug 4, 2026.