National Weather Service Forecast for:
Brookhaven NY Issued by: National Weather Service New York, NY |
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Updated: 1:53 am EDT Jul 25, 2025 | ||||||||||||||||||
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Heat Advisory
Hazardous Weather Outlook
Air Quality Alert
Today |
Showers and thunderstorms likely, mainly after 5pm. Sunny, with a high near 88. Heat index values as high as 95. Southwest wind 10 to 14 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
Tonight |
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 72. Southwest wind 5 to 7 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms. |
Saturday |
Mostly sunny, with a high near 84. Northeast wind 8 to 10 mph becoming east in the afternoon. |
Saturday Night |
Mostly cloudy, with a low around 69. Southeast wind around 6 mph becoming calm in the evening. |
Sunday |
A 20 percent chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 81. Calm wind becoming south 5 to 9 mph in the morning. |
Sunday Night |
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 71. |
Monday |
Mostly sunny, with a high near 86. |
Monday Night |
Partly cloudy, with a low around 73. |
Tuesday |
Sunny, with a high near 90. |
Tuesday Night |
Partly cloudy, with a low around 74. |
Wednesday |
Sunny, with a high near 89. |
Wednesday Night |
Partly cloudy, with a low around 71. |
Thursday |
A 30 percent chance of showers. Partly sunny, with a high near 82. |
Forecast from NOAA-NWS for Brookhaven NY.