National Weather Service Forecast for: Brentwood NY
Issued by: National Weather Service New York, NY
Updated: 2:08 pm EDT Jul 8, 2025
 
This
Afternoon
This Afternoon: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 102. South wind around 10 mph.
Chance
T-storms

 Tonight

Tonight: Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Showers
Likely then
Chance
T-storms
 Wednesday

Wednesday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Heat index values as high as 95. West wind 3 to 7 mph.
Partly Sunny
then Slight
Chance
T-storms
 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 71. South wind 3 to 6 mph. Chance of precipitation is 40%.
Chance
Showers

 Thursday

Thursday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 83. South wind 3 to 8 mph. Chance of precipitation is 50%.
Chance
Showers then
Chance
T-storms
 Thursday
Night
Thursday Night: A chance of showers and thunderstorms. Cloudy, with a low around 70. Chance of precipitation is 50%.
Chance
T-storms then
Chance
Showers
 Friday

Friday: Mostly cloudy, with a high near 84.
Mostly Cloudy

 Friday
Night
Friday Night: Mostly cloudy, with a low around 70.
Mostly Cloudy

 Saturday

Saturday: Partly sunny, with a high near 85.
Partly Sunny
Hi 92 °F Lo 71 °F Hi 87 °F Lo 71 °F Hi 83 °F Lo 70 °F Hi 84 °F Lo 70 °F Hi 85 °F

Air Quality Alert
Rip Current Statement
Heat Advisory
Flood Watch
Hazardous Weather Outlook
 

This Afternoon
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 92. Heat index values as high as 102. South wind around 10 mph.
Tonight
 
 Showers likely and possibly a thunderstorm before 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71. Southwest wind 3 to 6 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
 
 A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Heat index values as high as 95. West wind 3 to 7 mph.
Wednesday Night
 
 A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Increasing clouds, with a low around 71. South wind 3 to 6 mph. Chance of precipitation is 40%.
Thursday
 
 A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, with a high near 83. South wind 3 to 8 mph. Chance of precipitation is 50%.
Thursday Night
 
 A chance of showers and thunderstorms. Cloudy, with a low around 70. Chance of precipitation is 50%.
Friday
 
 Mostly cloudy, with a high near 84.
Friday Night
 
 Mostly cloudy, with a low around 70.
Saturday
 
 Partly sunny, with a high near 85.
Saturday Night
 
 Mostly cloudy, with a low around 71.
Sunday
 
 Partly sunny, with a high near 86.
Sunday Night
 
 Mostly cloudy, with a low around 70.
Monday
 
 A 30 percent chance of showers. Partly sunny, with a high near 86.
Monday Night
 
 Partly cloudy, with a low around 71.
Tuesday
 
 Mostly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Brentwood NY.