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

71°F

Mostly Sunny

Mostly sunny. High near 71, with temperatures falling to around 67 in the afternoon. East wind 6 to 9 mph.

7-day forecast for East Haven

When	Temp	Forecast	Wind	Precip
Today	71°F	Mostly Sunny	6 to 9 mph E	0%
Tonight	54°F	Partly Cloudy	6 mph SE	1%
Sunday	68°F	Rain	5 to 10 mph SE	94%
Sunday Night	53°F	Rain	6 to 10 mph E	94%
Monday	68°F	Chance Light Rain then Partly Sunny	8 to 13 mph N	29%
Monday Night	50°F	Mostly Cloudy	6 to 10 mph NE	10%
Tuesday	64°F	Slight Chance Rain Showers	13 mph NE	19%
Tuesday Night	48°F	Mostly Cloudy	12 to 15 mph NE	14%
Wednesday	65°F	Partly Sunny	15 to 18 mph NE	7%
Wednesday Night	49°F	Chance Rain Showers	17 mph NE	27%
Thursday	64°F	Chance Rain Showers	17 to 21 mph NE	31%
Thursday Night	49°F	Chance Rain Showers	15 to 18 mph NE	37%
Friday	65°F	Chance Rain Showers	18 mph N	33%
Friday Night	50°F	Chance Rain Showers	17 mph N	34%

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

More local growing data for East Haven: nearby ZIP 06512 weather · frost dates · planting calendar · Connecticut frost dates

Nearby towns & communities

Ansonia Branford Center Cheshire Village Derby Guilford Center Heritage Village Madison Center Meriden Milford city Naugatuck New Haven North Haven Northford Orange Quinnipiac University Wallingford Center Waterbury West Haven Woodmont

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 Sep 19, 2026.