National Weather Service Forecast for: Southampton NY
Issued by: National Weather Service New York, NY
Updated: 9:50 pm EST Dec 17, 2025
 
Overnight

Overnight: Mostly clear, with a low around 29. Light northwest wind.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 52. Light and variable wind becoming south 5 to 10 mph in the morning.
Sunny

 Thursday
Night
Thursday Night: Rain, mainly after 1am. Low around 44. South wind 8 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Chance Rain
then Rain

 Friday

Friday: Rain before 10am, then rain and possibly a thunderstorm between 10am and 1pm, then a chance of rain after 1pm. Temperature rising to near 53 by 10am, then falling to around 43 during the remainder of the day. Windy, with a south wind 17 to 26 mph becoming west in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Rain and
Windy

 Friday
Night
Friday Night: Partly cloudy, with a low around 28. Breezy, with a west wind 13 to 22 mph, with gusts as high as 45 mph.
Partly Cloudy
and Breezy
then Partly
Cloudy
 Saturday

Saturday: Increasing clouds, with a high near 44.
Increasing
Clouds

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 34.
Mostly Cloudy

 Sunday

Sunday: Mostly sunny, with a high near 46.
Mostly Sunny

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 25.
Partly Cloudy
Lo 29 °F Hi 52 °F Lo 44 °F Hi 53 °F⇓ Lo 28 °F Hi 44 °F Lo 34 °F Hi 46 °F Lo 25 °F

Wind Advisory
Hazardous Weather Outlook
 

Overnight
 
 Mostly clear, with a low around 29. Light northwest wind.
Thursday
 
 Sunny, with a high near 52. Light and variable wind becoming south 5 to 10 mph in the morning.
Thursday Night
 
 Rain, mainly after 1am. Low around 44. South wind 8 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
 
 Rain before 10am, then rain and possibly a thunderstorm between 10am and 1pm, then a chance of rain after 1pm. Temperature rising to near 53 by 10am, then falling to around 43 during the remainder of the day. Windy, with a south wind 17 to 26 mph becoming west in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
 
 Partly cloudy, with a low around 28. Breezy, with a west wind 13 to 22 mph, with gusts as high as 45 mph.
Saturday
 
 Increasing clouds, with a high near 44.
Saturday Night
 
 Mostly cloudy, with a low around 34.
Sunday
 
 Mostly sunny, with a high near 46.
Sunday Night
 
 Partly cloudy, with a low around 25.
Monday
 
 Sunny, with a high near 34.
Monday Night
 
 Partly cloudy, with a low around 25.
Tuesday
 
 A 40 percent chance of rain. Mostly cloudy, with a high near 43.
Tuesday Night
 
 A 30 percent chance of rain. Mostly cloudy, with a low around 31.
Wednesday
 
 Mostly sunny, with a high near 41.

 

Forecast from NOAA-NWS for Southampton NY.