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

Hazardous Weather Conditions

Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Fog/Mist

32°F

0°C

Humidity 100%
Wind Speed SW 10 mph
Barometer 29.74 in (1007.2 mb)
Dewpoint 32°F (0°C)
Visibility 0.75 mi
Wind Chill24°F (-4°C)
Last update 25 Feb 8:56 am EST
Extended Forecast for

Mastic NY

  • Today

    Today: Snow, possibly mixing with rain after 11am, then gradually ending. The snow could be heavy at times. High near 39. Southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Total daytime snow accumulation of around an inch possible.

    High: 39 °F

    Rain/Snow
    then Slight
    Chance
    Rain/Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Southwest wind around 6 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow after 1pm. Partly sunny, with a high near 37. Wind chill values between 25 and 35. West wind 3 to 6 mph.

    High: 37 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Partly cloudy, with a low around 23. Calm wind.

    Low: 23 °F

    Slight Chance
    Snow

  • Friday

    Friday: Mostly sunny, with a high near 36. Calm wind becoming southwest around 6 mph.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

Today
Snow, possibly mixing with rain after 11am, then gradually ending. The snow could be heavy at times. High near 39. Southwest wind 10 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Total daytime snow accumulation of around an inch possible.
Tonight
Partly cloudy, with a low around 29. Southwest wind around 6 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of snow after 1pm. Partly sunny, with a high near 37. Wind chill values between 25 and 35. West wind 3 to 6 mph.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 23. Calm wind.
Friday
Mostly sunny, with a high near 36. Calm wind becoming southwest around 6 mph.
Friday Night
Mostly clear, with a low around 26.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 18.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 29.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mastic NY
 40.82°N 72.85°W (Elev. 49 ft)
Last Update:
9:01 am EST Feb 25, 2026
Forecast Valid:
9am EST Feb 25, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation