National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Fair

69°F

21°C

Humidity 96%
Wind Speed Calm
Barometer 29.84 in (1010.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 18 Aug 3:56 am EDT
Extended Forecast for

Brookhaven NY

  • Today

    Today: Partly sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 83 °F

    Partly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 68. Light and variable wind.

    Low: 68 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 84. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 71. Southwest wind 3 to 7 mph.

    Low: 71 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Light and variable wind becoming west 5 to 7 mph in the morning.

    High: 82 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 65 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers before 2pm. Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Mostly cloudy, with a high near 79.

    High: 79 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.
Tonight
A 20 percent chance of showers before 11pm. Partly cloudy, with a low around 68. Light and variable wind.
Wednesday
Sunny, with a high near 84. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 71. Southwest wind 3 to 7 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82. Light and variable wind becoming west 5 to 7 mph in the morning.
Thursday Night
Showers likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 81.
Friday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 65.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 79.
Saturday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers. Partly sunny, with a high near 80.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Brookhaven NY
 40.78°N 72.91°W (Elev. 13 ft)
Last Update:
2:14 am EDT Aug 18, 2026
Forecast Valid:
4am EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation