National Weather Service Forecast for: Brentwood NY
Issued by: National Weather Service New York, NY
Updated: 1:17 pm EDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Mostly sunny, with a high near 43. South wind around 6 mph.
Mostly Sunny

 Tonight

Tonight: Partly cloudy, with a low around 34. South wind 3 to 5 mph.
Partly Cloudy

 Friday

Friday: A 30 percent chance of rain after 2pm. Mostly sunny, with a high near 51. Light and variable wind becoming south 6 to 11 mph in the afternoon. Winds could gust as high as 23 mph.
Sunny then
Chance Rain
 Friday
Night
Friday Night: Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 41. South wind 7 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Rain Likely

 Saturday

Saturday: Mostly sunny, with a high near 55. Northwest wind 6 to 8 mph.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 38.
Mostly Cloudy

 Sunday

Sunday: Mostly cloudy, with a high near 54.
Mostly Cloudy

 Sunday
Night
Sunday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Rain Likely

 Monday

Monday: Rain likely, mainly before 8am. Partly sunny, with a high near 56. Chance of precipitation is 60%.
Rain Likely
then Chance
Rain
Hi 43 °F Lo 34 °F Hi 51 °F Lo 41 °F Hi 55 °F Lo 38 °F Hi 54 °F Lo 42 °F Hi 56 °F

 

This Afternoon
 
 Mostly sunny, with a high near 43. South wind around 6 mph.
Tonight
 
 Partly cloudy, with a low around 34. South wind 3 to 5 mph.
Friday
 
 A 30 percent chance of rain after 2pm. Mostly sunny, with a high near 51. Light and variable wind becoming south 6 to 11 mph in the afternoon. Winds could gust as high as 23 mph.
Friday Night
 
 Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 41. South wind 7 to 11 mph, with gusts as high as 28 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
 
 Mostly sunny, with a high near 55. Northwest wind 6 to 8 mph.
Saturday Night
 
 Mostly cloudy, with a low around 38.
Sunday
 
 Mostly cloudy, with a high near 54.
Sunday Night
 
 Rain likely, mainly after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Monday
 
 Rain likely, mainly before 8am. Partly sunny, with a high near 56. Chance of precipitation is 60%.
Monday Night
 
 Mostly clear, with a low around 29.
Tuesday
 
 Sunny, with a high near 44.
Tuesday Night
 
 Mostly cloudy, with a low around 33.
Wednesday
 
 Partly sunny, with a high near 47.

 

Forecast from NOAA-NWS for Brentwood NY.