National Weather Service Forecast for: Brookhaven NY
Issued by: National Weather Service New York, NY
Updated: 2:20 pm EDT May 4, 2026
 
Tonight

Tonight: Mostly clear, with a low around 51. Southwest wind 9 to 14 mph, with gusts as high as 28 mph.
Mostly Clear

 Tuesday

Tuesday: Sunny, with a high near 67. South wind 10 to 18 mph, with gusts as high as 31 mph.
Sunny

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 53. Southwest wind 14 to 17 mph, with gusts as high as 36 mph.
Partly Cloudy

 Wednesday

Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 62. South wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Slight Chance
Showers then
Showers
Likely
 Wednesday
Night
Wednesday Night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 50. South wind 8 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers

 Thursday

Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 60.
Chance
Showers

 Thursday
Night
Thursday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 44.
Chance
Showers

 Friday

Friday: Sunny, with a high near 61.
Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 48.
Partly Cloudy
Lo 51 °F Hi 67 °F Lo 53 °F Hi 62 °F Lo 50 °F Hi 60 °F Lo 44 °F Hi 61 °F Lo 48 °F

 

Tonight
 
 Mostly clear, with a low around 51. Southwest wind 9 to 14 mph, with gusts as high as 28 mph.
Tuesday
 
 Sunny, with a high near 67. South wind 10 to 18 mph, with gusts as high as 31 mph.
Tuesday Night
 
 Partly cloudy, with a low around 53. Southwest wind 14 to 17 mph, with gusts as high as 36 mph.
Wednesday
 
 Showers likely, mainly after 2pm. Mostly cloudy, with a high near 62. South wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
 
 Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 50. South wind 8 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
 
 A 50 percent chance of showers. Mostly cloudy, with a high near 60.
Thursday Night
 
 A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 44.
Friday
 
 Sunny, with a high near 61.
Friday Night
 
 Partly cloudy, with a low around 48.
Saturday
 
 A 30 percent chance of showers after 2pm. Partly sunny, with a high near 61.
Saturday Night
 
 A 30 percent chance of showers. Mostly cloudy, with a low around 46.
Sunday
 
 Mostly sunny, with a high near 64.
Sunday Night
 
 A 30 percent chance of showers. Partly cloudy, with a low around 50.
Monday
 
 A 40 percent chance of showers. Mostly cloudy, with a high near 63.

 

Forecast from NOAA-NWS for Brookhaven NY.