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Southampton, NY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Southampton, a village in Suffolk County, New York.

Today
68°F
Sunny
Sunny. High near 68, with temperatures falling to around 64 in the afternoon. Southwest wind 5 to 12 mph.

7-day forecast for Southampton

WhenTempForecastWindPrecip
Today 68°F Sunny 5 to 12 mph SW 3%
Tonight 59°F Partly Cloudy 8 mph SW 1%
Thursday 66°F Mostly Cloudy 7 to 13 mph SW 14%
Thursday Night 60°F Rain Showers 10 mph SW 83%
Friday 65°F Showers And Thunderstorms 7 to 10 mph SW 94%
Friday Night 56°F Showers And Thunderstorms 7 mph SW 94%
Saturday 63°F Rain Showers Likely 7 to 10 mph NW 70%
Saturday Night 46°F Chance Rain Showers 10 mph NW 26%
Sunday 59°F Slight Chance Rain Showers then Mostly Sunny 10 mph W 18%
Sunday Night 44°F Partly Cloudy then Slight Chance Light Rain 8 to 12 mph W 15%
Monday 58°F Chance Light Rain 13 to 16 mph NW 33%
Monday Night 44°F Chance Light Rain 15 mph W 33%
Tuesday 59°F Chance Light Rain then Mostly Sunny 18 mph W 25%
Tuesday Night 44°F Mostly Clear 16 mph W 9%

Forecast source: National Weather Service (api.weather.gov) for Southampton (40.877, -72.403). Updated through the day.

Growing snapshot for Southampton

Last spring frost
Apr 19
First fall frost
Nov 1
Growing season
196 days
Hardiness zone
7a

More local growing data for Southampton: nearby ZIP 11968 weather · frost dates · planting calendar · New York frost dates

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Climate data from the nearest NOAA station, Mattituck, Ny (7.4 mi from Southampton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.