East Setauket, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for East Setauket, a community in Suffolk County, New York.
Overnight
56°F
Mostly Cloudy
Mostly cloudy, with a low around 56. Northeast wind around 12 mph.
7-day forecast for East Setauket
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Mostly Cloudy | 12 mph NE | 0% |
| Saturday | 69°F | Partly Sunny | 8 to 12 mph E | 0% |
| Saturday Night | 55°F | Mostly Cloudy | 7 mph SE | 2% |
| Sunday | 70°F | Rain | 6 to 12 mph SE | 85% |
| Sunday Night | 56°F | Rain | 7 to 12 mph E | 85% |
| Monday | 67°F | Chance Light Rain then Mostly Cloudy | 10 to 15 mph NE | 41% |
| Monday Night | 54°F | Mostly Cloudy then Slight Chance Rain Showers | 9 to 14 mph NE | 21% |
| Tuesday | 64°F | Chance Rain Showers | 16 mph NE | 25% |
| Tuesday Night | 53°F | Chance Rain Showers | 15 to 18 mph NE | 25% |
| Wednesday | 65°F | Slight Chance Rain Showers | 18 to 22 mph NE | 18% |
| Wednesday Night | 53°F | Chance Rain Showers | 21 mph NE | 33% |
| Thursday | 65°F | Chance Rain Showers | 22 mph NE | 34% |
| Thursday Night | 52°F | Chance Rain Showers | 17 to 21 mph NE | 40% |
| Friday | 65°F | Chance Rain Showers | 21 mph N | 37% |
Forecast source: National Weather Service (api.weather.gov) for East Setauket (40.921, -73.094). Updated through the day.
Growing snapshot for East Setauket
Last spring frost
Apr 15
First fall frost
Nov 10
Growing season
208 days
Hardiness zone
7b
More local growing data for East Setauket: nearby ZIP 11733 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Setauket Strong, Ny (1.3 mi from East Setauket). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.