Westhampton Beach, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westhampton Beach, a village in Suffolk County, New York.
Tonight
57°F
Partly Cloudy
Partly cloudy, with a low around 57. North wind 3 to 10 mph.
7-day forecast for Westhampton Beach
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Partly Cloudy | 3 to 10 mph N | 0% |
| Saturday | 67°F | Mostly Sunny | 12 mph E | 0% |
| Saturday Night | 58°F | Partly Cloudy | 5 to 8 mph SE | 1% |
| Sunday | 70°F | Mostly Cloudy then Showers And Thunderstorms Likely | 5 to 12 mph SE | 70% |
| Sunday Night | 59°F | Showers And Thunderstorms | 8 to 13 mph S | 90% |
| Monday | 68°F | Rain Showers Likely | 13 to 17 mph NE | 69% |
| Monday Night | 58°F | Chance Rain Showers | 13 to 22 mph NE | 28% |
| Tuesday | 64°F | Chance Rain Showers | 21 to 24 mph NE | 26% |
| Tuesday Night | 57°F | Chance Rain Showers then Mostly Cloudy | 21 to 25 mph NE | 26% |
| Wednesday | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 24 to 28 mph NE | 17% |
| Wednesday Night | 56°F | Chance Rain Showers | 24 to 28 mph NE | 33% |
| Thursday | 63°F | Chance Rain Showers | 23 to 28 mph NE | 35% |
| Thursday Night | 56°F | Chance Rain Showers | 18 to 23 mph NE | 37% |
| Friday | 66°F | Chance Rain Showers | 17 to 23 mph N | 34% |
Forecast source: National Weather Service (api.weather.gov) for Westhampton Beach (40.807, -72.645). Updated through the day.
Growing snapshot for Westhampton Beach
Last spring frost
May 7
First fall frost
Oct 14
Growing season
160 days
Hardiness zone
7a
More local growing data for Westhampton Beach: nearby ZIP 11978 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Westhamptn Gabreski Ap, Ny (1.3 mi from Westhampton Beach). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.