NWS Forecast for Brentwood NY

National Weather Service Forecast for: Brentwood NY
Issued by: National Weather Service New York, NY

Updated: 3:02 pm EDT Jul 26, 2025

Tonight Mostly Cloudy	Sunday Chance Showers	Sunday Night Chance Showers	Monday Sunny	Monday Night Mostly Clear	Tuesday Sunny	Tuesday Night Partly Cloudy	Wednesday Sunny	Wednesday Night Chance Showers
Lo 69 °F	Hi 81 °F	Lo 72 °F	Hi 91 °F	Lo 73 °F	Hi 94 °F	Lo 74 °F	Hi 91 °F	Lo 72 °F

Hazardous Weather Outlook
Air Quality Alert
Heat Advisory

Tonight	Mostly cloudy, with a low around 69. South wind 5 to 8 mph becoming calm after midnight.
Sunday	A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81. South wind 6 to 10 mph.
Sunday Night	A 40 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. South wind 5 to 7 mph becoming light and variable in the evening.
Monday	Sunny, with a high near 91. Heat index values as high as 98. Light and variable wind becoming north 5 to 7 mph in the morning.
Monday Night	Mostly clear, with a low around 73. South wind around 6 mph becoming calm in the evening.
Tuesday	Sunny, with a high near 94.
Tuesday Night	Partly cloudy, with a low around 74.
Wednesday	Sunny, with a high near 91.
Wednesday Night	A 40 percent chance of showers. Mostly cloudy, with a low around 72.
Thursday	A 50 percent chance of showers. Mostly cloudy, with a high near 83.
Thursday Night	A 50 percent chance of showers. Mostly cloudy, with a low around 67.
Friday	Mostly sunny, with a high near 82.
Friday Night	Mostly clear, with a low around 64.
Saturday	Sunny, with a high near 81.

Forecast from NOAA-NWS for Brentwood NY.