Middletown, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Middletown, a city in Middlesex County, Connecticut.
Today
84°F
Sunny
Sunny, with a high near 84. West wind around 3 mph.
7-day forecast for Middletown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 3 mph W | 0% |
| Tonight | 62°F | Mostly Cloudy | 3 mph SW | 3% |
| Wednesday | 83°F | Partly Sunny | 5 mph W | 7% |
| Wednesday Night | 69°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph S | 17% |
| Thursday | 87°F | Chance Showers And Thunderstorms | 2 to 9 mph S | 36% |
| Thursday Night | 72°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 8 mph S | 31% |
| Friday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph SW | 37% |
| Friday Night | 71°F | Chance Showers And Thunderstorms | 0 to 6 mph W | 35% |
| Saturday | 87°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 7 mph W | 38% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 1 to 5 mph SW | 38% |
| Sunday | 88°F | Mostly Sunny | 1 to 6 mph W | 12% |
| Sunday Night | 70°F | Mostly Clear | 1 to 5 mph SW | 12% |
| Monday | 89°F | Sunny | 1 to 9 mph W | 14% |
| Monday Night | 68°F | Partly Cloudy | 2 to 8 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov) for Middletown (41.549, -72.657). Updated through the day.
Growing snapshot for Middletown
Last spring frost
Apr 26
First fall frost
Oct 16
Growing season
175 days
Hardiness zone
6b
More local growing data for Middletown: nearby ZIP 06457 weather · frost dates · planting calendar · Connecticut frost dates
Nearby towns & communities
Chester Center
Clinton
Deep River Center
Durham
East Hampton
Essex Village
Fenwick
Higganum
Lake Pocotopaug
Moodus
Old Saybrook Center
Portland
Saybrook Manor
Westbrook Center
Climate data from the nearest NOAA station, Meriden Markham Muni Ap, Ct (9.1 mi from Middletown). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.