East Haven, CT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for East Haven, a community in New Haven County, Connecticut.
Today
82°F
Mostly Sunny
Mostly sunny, with a high near 82. Southwest wind around 5 mph.
7-day forecast for East Haven
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Mostly Sunny | 5 mph SW | 0% |
| Tonight | 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% |
| Monday Night | 70°F | Partly Cloudy | 3 to 8 mph W | 13% |
Forecast source: National Weather Service (api.weather.gov) for East Haven (41.293, -72.859). Updated through the day.
Growing snapshot for East Haven
Last spring frost
Apr 17
First fall frost
Oct 27
Growing season
193 days
Hardiness zone
7a
More local growing data for East Haven: nearby ZIP 06512 weather · frost dates · planting calendar · Connecticut frost dates
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West Haven
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Climate data from the nearest NOAA station, New Haven Tweed Ap, Ct (1.2 mi from East Haven). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.