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.
This Afternoon
80°F
Sunny
Sunny. High near 80, with temperatures falling to around 78 in the afternoon. Northwest wind around 8 mph.
7-day forecast for East Haven
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Sunny | 8 mph NW | 0% |
| Tonight | 53°F | Partly Cloudy | 5 to 9 mph N | 0% |
| Saturday | 69°F | Mostly Sunny | 7 to 10 mph NE | 0% |
| Saturday Night | 56°F | Mostly Cloudy | 3 to 7 mph SE | 2% |
| Sunday | 68°F | Showers And Thunderstorms | 6 to 13 mph SE | 87% |
| Sunday Night | 56°F | Showers And Thunderstorms | 3 to 13 mph SE | 88% |
| Monday | 67°F | Chance Rain Showers | 9 to 14 mph NE | 48% |
| Monday Night | 52°F | Slight Chance Rain Showers | 7 to 13 mph NE | 23% |
| Tuesday | 64°F | Slight Chance Rain Showers | 15 mph NE | 24% |
| Tuesday Night | 50°F | Mostly Cloudy | 15 mph NE | 14% |
| Wednesday | 64°F | Partly Sunny then Slight Chance Rain Showers | 17 mph NE | 15% |
| Wednesday Night | 50°F | Chance Rain Showers | 13 to 16 mph NE | 25% |
| Thursday | 63°F | Chance Rain Showers | 18 mph NE | 33% |
| Thursday Night | 51°F | Chance Rain Showers | 12 to 16 mph NE | 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
7a
More local growing data for East Haven: nearby ZIP 06512 weather · frost dates · planting calendar · Connecticut frost dates
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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 Sep 18, 2026.