National Weather Service Forecast for: Brookhaven NY
Issued by: National Weather Service New York, NY
Updated: 2:01 am EST Dec 5, 2025
 
Overnight

Overnight: Mostly cloudy, with a low around 15. North wind 9 to 11 mph.
Mostly Cloudy

 Friday

Friday: Increasing clouds, with a high near 36. Wind chill values between 10 and 20. Calm wind becoming southeast 5 to 7 mph in the morning.
Increasing
Clouds

 Friday
Night
Friday Night: A slight chance of snow between 10pm and 1am, then a chance of snow and freezing rain. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 30%.
Slight Chance
Light Snow
then Chance
Wintry Mix
 Saturday

Saturday: A slight chance of rain, snow, and freezing rain before 8am, then a slight chance of rain between 8am and 10am. Mostly cloudy, with a high near 44. Calm wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 20%.
Slight Chance
Wintry Mix
then Mostly
Cloudy
 Saturday
Night
Saturday Night: Partly cloudy, with a low around 29. Northwest wind around 6 mph.
Partly Cloudy

 Sunday

Sunday: Partly sunny, with a high near 41.
Partly Sunny

 Sunday
Night
Sunday Night: A 30 percent chance of snow showers before 1am. Mostly cloudy, with a low around 24.
Chance Snow
Showers

 Monday

Monday: Mostly sunny, with a high near 36.
Mostly Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 18.
Mostly Clear
Lo 15 °F Hi 36 °F Lo 29 °F Hi 44 °F Lo 29 °F Hi 41 °F Lo 24 °F Hi 36 °F Lo 18 °F

 

Overnight
 
 Mostly cloudy, with a low around 15. North wind 9 to 11 mph.
Friday
 
 Increasing clouds, with a high near 36. Wind chill values between 10 and 20. Calm wind becoming southeast 5 to 7 mph in the morning.
Friday Night
 
 A slight chance of snow between 10pm and 1am, then a chance of snow and freezing rain. Mostly cloudy, with a low around 29. Calm wind. Chance of precipitation is 30%.
Saturday
 
 A slight chance of rain, snow, and freezing rain before 8am, then a slight chance of rain between 8am and 10am. Mostly cloudy, with a high near 44. Calm wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 20%.
Saturday Night
 
 Partly cloudy, with a low around 29. Northwest wind around 6 mph.
Sunday
 
 Partly sunny, with a high near 41.
Sunday Night
 
 A 30 percent chance of snow showers before 1am. Mostly cloudy, with a low around 24.
Monday
 
 Mostly sunny, with a high near 36.
Monday Night
 
 Mostly clear, with a low around 18.
Tuesday
 
 Partly sunny, with a high near 41.
Tuesday Night
 
 Mostly cloudy, with a low around 30.
Wednesday
 
 A 30 percent chance of rain. Mostly cloudy, with a high near 50.
Wednesday Night
 
 Rain likely. Cloudy, with a low around 37. Chance of precipitation is 60%.
Thursday
 
 A 40 percent chance of rain. Mostly cloudy, with a high near 47.

 

Forecast from NOAA-NWS for Brookhaven NY.