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.

Mostly Cloudy

39°F

4°C

Humidity 73%
Wind Speed SW 7 mph
Barometer 29.75 in (1007.4 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 10 Dec 8:56 am EST
Extended Forecast for

2 Miles WSW Mastic Beach NY

  • Today

    Today: A 50 percent chance of rain after 4pm. Mostly cloudy, with a high near 49. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 36 mph.

    High: 49 °F

    Breezy.
    Partly Sunny
    then Chance
    Rain

  • Tonight

    Tonight: Rain, mainly between 7pm and 10pm. Low around 30. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 30 °F

    Rain and
    Breezy then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39. Wind chill values between 20 and 25. Breezy, with a west wind 20 to 24 mph, with gusts as high as 36 mph.

    High: 39 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 26. Wind chill values between 10 and 15. Windy, with a west wind 22 to 26 mph, with gusts as high as 38 mph.

    Low: 26 °F

    Partly Cloudy
    and Windy

  • Friday

    Friday: Mostly sunny, with a high near 36. Breezy, with a west wind 16 to 20 mph.

    High: 36 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A 40 percent chance of snow before 1pm. Mostly cloudy, with a high near 35. Breezy.

    High: 35 °F

    Chance Snow
    and Breezy

Detailed Forecast

Today
A 50 percent chance of rain after 4pm. Mostly cloudy, with a high near 49. Breezy, with a southwest wind 18 to 24 mph, with gusts as high as 36 mph.
Tonight
Rain, mainly between 7pm and 10pm. Low around 30. Breezy, with a southwest wind 17 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 39. Wind chill values between 20 and 25. Breezy, with a west wind 20 to 24 mph, with gusts as high as 36 mph.
Thursday Night
Partly cloudy, with a low around 26. Wind chill values between 10 and 15. Windy, with a west wind 22 to 26 mph, with gusts as high as 38 mph.
Friday
Mostly sunny, with a high near 36. Breezy, with a west wind 16 to 20 mph.
Friday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 40.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 28.
Sunday
A 40 percent chance of snow before 1pm. Mostly cloudy, with a high near 35. Breezy.
Sunday Night
Partly cloudy, with a low around 20. Blustery.
Monday
Sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Partly sunny, with a high near 35.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Mastic Beach NY
 40.76°N 72.89°W (Elev. 0 ft)
Last Update:
2:32 am EST Dec 10, 2025
Forecast Valid:
9am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation