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

Overnight: Mostly cloudy, with a steady temperature around 21. Wind chill values between 10 and 15. North wind around 9 mph.
Mostly Cloudy

Friday

Friday: Increasing clouds, with a high near 35. Wind chill values between 15 and 25. Calm wind becoming southeast around 6 mph.
Increasing
Clouds

Friday
Night
Friday Night: A 30 percent chance of light snow, mainly between 10pm and 4am.  Cloudy, with a temperature rising to around 31 by 2am. Calm wind.
Chance Light
Snow

Saturday

Saturday: A slight chance of rain, snow, and freezing rain before 9am, then a slight chance of rain between 9am and 10am.  Mostly cloudy, with a high near 42. Calm wind becoming west 5 to 8 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 28. West wind around 6 mph.
Partly Cloudy

Sunday

Sunday: Increasing clouds, with a high near 41.
Increasing
Clouds

Sunday
Night
Sunday Night: Mostly cloudy, with a low around 25.
Mostly Cloudy

Monday

Monday: Mostly sunny, with a high near 35.
Mostly Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 18.
Mostly Clear

Lo 21 °F Hi 35 °F Lo 28 °F Hi 42 °F Lo 28 °F Hi 41 °F Lo 25 °F Hi 35 °F Lo 18 °F

 

Overnight
 
Mostly cloudy, with a steady temperature around 21. Wind chill values between 10 and 15. North wind around 9 mph.
Friday
 
Increasing clouds, with a high near 35. Wind chill values between 15 and 25. Calm wind becoming southeast around 6 mph.
Friday Night
 
A 30 percent chance of light snow, mainly between 10pm and 4am. Cloudy, with a temperature rising to around 31 by 2am. Calm wind.
Saturday
 
A slight chance of rain, snow, and freezing rain before 9am, then a slight chance of rain between 9am and 10am. Mostly cloudy, with a high near 42. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 20%.
Saturday Night
 
Partly cloudy, with a low around 28. West wind around 6 mph.
Sunday
 
Increasing clouds, with a high near 41.
Sunday Night
 
Mostly cloudy, with a low around 25.
Monday
 
Mostly sunny, with a high near 35.
Monday Night
 
Mostly clear, with a low around 18.
Tuesday
 
Partly sunny, with a high near 39.
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 45.

 

Forecast from NOAA-NWS for Brentwood NY.