East Haven, CT Weather & Growing Conditions
Overnight
65°F
Mostly Clear
Mostly clear, with a low around 65. Northwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 65°F | Mostly Clear | 5 mph NW | 0% |
| Tuesday | 82°F | Mostly Sunny | 5 mph SW | 0% |
| Tuesday Night | 64°F | Mostly Cloudy | 3 mph SE | 5% |
| Wednesday | 82°F | Partly Sunny | 5 mph SW | 7% |
| Wednesday Night | 71°F | Mostly Cloudy then Chance Rain Showers | 5 mph S | 26% |
| Thursday | 86°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 2 to 9 mph SW | 24% |
| Thursday Night | 73°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 to 8 mph SW | 22% |
| Friday | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 8 mph SW | 29% |
| Friday Night | 72°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 29% |
| Saturday | 85°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph SW | 33% |
| Saturday Night | 71°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 33% |
| Sunday | 86°F | Mostly Sunny | 2 to 8 mph W | 14% |
| Sunday Night | 72°F | Mostly Clear | 2 to 6 mph SW | 10% |
| Monday | 87°F | Sunny | 2 to 10 mph SW | 11% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for East Haven, CT
Last spring frost
Apr 17
First fall frost
Oct 27
Growing season
193 days
Hardiness zone
7a
Explore more for East Haven, CT: full frost dates · planting calendar · Connecticut frost dates
Climate data from the nearest NOAA station, New Haven Tweed Ap, Ct (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.