Harman US

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.

Tonight
52°F
Patchy Fog
Patchy fog after 11pm. Partly cloudy, with a low around 52. Southwest wind around 3 mph.

7-day forecast for East Haven

WhenTempForecastWindPrecip
Tonight 52°F Patchy Fog 3 mph SW 3%
Wednesday 71°F Patchy Fog then Sunny 3 to 10 mph SW 3%
Wednesday Night 57°F Partly Cloudy 6 mph SW 2%
Thursday 70°F Chance Rain Showers 3 to 10 mph S 25%
Thursday Night 60°F Rain Showers 3 to 8 mph SW 83%
Friday 67°F Showers And Thunderstorms 3 to 7 mph S 88%
Friday Night 55°F Showers And Thunderstorms 2 to 6 mph SW 88%
Saturday 65°F Rain Showers Likely 9 mph NW 60%
Saturday Night 44°F Chance Rain Showers 8 mph NW 25%
Sunday 60°F Slight Chance Rain Showers then Mostly Sunny 7 to 10 mph W 20%
Sunday Night 40°F Partly Cloudy then Slight Chance Light Rain 5 to 9 mph W 15%
Monday 59°F Chance Light Rain 9 to 15 mph NW 28%
Monday Night 39°F Chance Light Rain 12 mph W 28%
Tuesday 60°F Slight Chance Light Rain then Mostly Sunny 15 mph W 22%

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

Nearby towns & communities

All Connecticut locations ›

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 Nov 4, 2026.