Middletown, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Middletown, a city in Middlesex County, Connecticut.
This Afternoon
70°F
Partly Sunny
Partly sunny. High near 70, with temperatures falling to around 65 in the afternoon. South wind around 8 mph.
7-day forecast for Middletown
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Partly Sunny | 8 mph S | 0% |
| Tonight | 51°F | Partly Cloudy then Patchy Fog | 5 mph S | 3% |
| Wednesday | 73°F | Patchy Fog then Sunny | 3 to 13 mph S | 3% |
| Wednesday Night | 57°F | Partly Cloudy | 3 to 7 mph S | 2% |
| Thursday | 71°F | Chance Rain Showers | 6 to 12 mph S | 27% |
| Thursday Night | 62°F | Rain Showers | 5 to 8 mph S | 79% |
| Friday | 68°F | Showers And Thunderstorms | 6 mph S | 85% |
| Friday Night | 56°F | Showers And Thunderstorms then Light Rain | 5 mph W | 85% |
| Saturday | 66°F | Light Rain Likely | 7 mph NW | 60% |
| Saturday Night | 42°F | Chance Light Rain | 6 mph NW | 26% |
| Sunday | 60°F | Slight Chance Light Rain then Mostly Sunny | 5 to 9 mph W | 19% |
| Sunday Night | 37°F | Partly Cloudy then Slight Chance Light Rain | 5 mph W | 15% |
| Monday | 59°F | Chance Light Rain | 6 to 14 mph NW | 26% |
| Monday Night | 36°F | Chance Light Rain | 6 to 9 mph W | 26% |
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 Nov 3, 2026.