Westhampton, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westhampton, a community in Suffolk County, New York.
This Afternoon
80°F
Sunny
Sunny. High near 80, with temperatures falling to around 78 in the afternoon. Northwest wind around 9 mph.
7-day forecast for Westhampton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 80°F | Sunny | 9 mph NW | 0% |
| Tonight | 56°F | Partly Cloudy | 1 to 8 mph N | 0% |
| Saturday | 68°F | Mostly Sunny | 10 mph E | 0% |
| Saturday Night | 56°F | Partly Cloudy | 3 to 7 mph SE | 1% |
| Sunday | 70°F | Showers And Thunderstorms Likely | 3 to 12 mph SE | 72% |
| Sunday Night | 58°F | Showers And Thunderstorms | 7 to 12 mph SW | 90% |
| Monday | 68°F | Rain Showers Likely | 12 to 15 mph NE | 68% |
| Monday Night | 55°F | Chance Rain Showers | 10 to 16 mph NE | 28% |
| Tuesday | 65°F | Chance Rain Showers | 20 mph NE | 26% |
| Tuesday Night | 54°F | Chance Rain Showers then Mostly Cloudy | 16 to 20 mph NE | 26% |
| Wednesday | 65°F | Mostly Cloudy then Slight Chance Rain Showers | 20 to 23 mph NE | 17% |
| Wednesday Night | 54°F | Chance Rain Showers | 17 to 21 mph NE | 33% |
| Thursday | 64°F | Chance Rain Showers | 18 to 22 mph NE | 35% |
| Thursday Night | 53°F | Chance Rain Showers | 13 to 18 mph NE | 37% |
Forecast source: National Weather Service (api.weather.gov) for Westhampton (40.847, -72.660). Updated through the day.
Growing snapshot for Westhampton
Last spring frost
May 7
First fall frost
Oct 14
Growing season
160 days
Hardiness zone
7a
More local growing data for Westhampton: nearby ZIP 11977 weather · frost dates · planting calendar · New York frost dates
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Climate data from the nearest NOAA station, Westhamptn Gabreski Ap, Ny (2.7 mi from Westhampton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.