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.

Fair

22°F

-6°C

Humidity 63%
Wind Speed NW 9 mph
Barometer 30.08 in (1018.5 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 13 Feb 4:56 am EST
Extended Forecast for

Mastic NY

  • Today

    Today: Sunny, with a high near 34. Wind chill values between 15 and 25. Northwest wind 5 to 10 mph.

    High: 34 °F

    Sunny

  • Tonight

    Tonight: Scattered snow showers, mainly after 1am. Increasing clouds, with a low around 22. Light west wind. Chance of precipitation is 50%.

    Low: 22 °F

    Slight Chance
    Snow Showers
    then
    Scattered
    Snow Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 39. Wind chill values between 20 and 30. West wind 5 to 10 mph.

    High: 39 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23. Light west wind.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 36. Calm wind becoming northeast around 5 mph.

    High: 36 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 26.

    Low: 26 °F

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 34. Wind chill values between 15 and 25. Northwest wind 5 to 10 mph.
Tonight
Scattered snow showers, mainly after 1am. Increasing clouds, with a low around 22. Light west wind. Chance of precipitation is 50%.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 39. Wind chill values between 20 and 30. West wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 23. Light west wind.
Sunday
Partly sunny, with a high near 36. Calm wind becoming northeast around 5 mph.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26.
Washington's Birthday
Partly sunny, with a high near 39.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
A 40 percent chance of rain. Cloudy, with a high near 44.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 32.
Thursday
A 40 percent chance of rain. Partly sunny, with a high near 43.
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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:
5:10 am EST Feb 13, 2026
Forecast Valid:
5am EST Feb 13, 2026-6pm EST Feb 19, 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