National Weather Service Forecast for: Brookhaven NY
Issued by: National Weather Service New York, NY
Updated: 1:57 am EDT Jul 6, 2025
 
Overnight

Overnight: Mostly cloudy, with a low around 70. Southwest wind around 8 mph.
Mostly Cloudy

 Sunday

Sunday: Mostly sunny, with a high near 84. Southwest wind 7 to 13 mph.
Mostly Sunny

 Sunday
Night
Sunday Night: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 72. Southwest wind 7 to 10 mph.
Partly Cloudy
then Patchy
Fog
 Monday

Monday: A 20 percent chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 83. South wind 7 to 14 mph.
Patchy Fog
then Slight
Chance
T-storms
 Monday
Night
Monday Night: A 50 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 72. South wind 7 to 10 mph.
Chance
T-storms

 Tuesday

Tuesday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Chance
Showers then
Chance
T-storms
 Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Chance
T-storms

 Wednesday

Wednesday: Partly sunny, with a high near 84.
Partly Sunny

 Wednesday
Night
Wednesday Night: A 30 percent chance of showers after 8pm. Mostly cloudy, with a low around 70.
Chance
Showers
Lo 70 °F Hi 84 °F Lo 72 °F Hi 83 °F Lo 72 °F Hi 85 °F Lo 72 °F Hi 84 °F Lo 70 °F

 

Overnight
 
 Mostly cloudy, with a low around 70. Southwest wind around 8 mph.
Sunday
 
 Mostly sunny, with a high near 84. Southwest wind 7 to 13 mph.
Sunday Night
 
 Patchy fog after 2am. Otherwise, increasing clouds, with a low around 72. Southwest wind 7 to 10 mph.
Monday
 
 A 20 percent chance of showers and thunderstorms after 2pm. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 83. South wind 7 to 14 mph.
Monday Night
 
 A 50 percent chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 72. South wind 7 to 10 mph.
Tuesday
 
 A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 50%.
Tuesday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Wednesday
 
 Partly sunny, with a high near 84.
Wednesday Night
 
 A 30 percent chance of showers after 8pm. Mostly cloudy, with a low around 70.
Thursday
 
 A 30 percent chance of showers. Mostly cloudy, with a high near 81.
Thursday Night
 
 A 40 percent chance of showers. Cloudy, with a low around 69.
Friday
 
 A 30 percent chance of showers. Mostly cloudy, with a high near 82.
Friday Night
 
 A 30 percent chance of showers. Mostly cloudy, with a low around 69.
Saturday
 
 Partly sunny, with a high near 82.

 

Forecast from NOAA-NWS for Brookhaven NY.