Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Fair

18°F

-8°C

Humidity 49%
Wind Speed W 7 mph
Barometer 30.09 in (1019.1 mb)
Dewpoint 2°F (-17°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 29 Jan 6:56 pm EST
Extended Forecast for

Mastic NY

Cold Weather Advisory January 30, 12:00am until January 30, 10:00am
Click here for hazard details and duration
Cold Weather Advisory
  • Tonight

    Tonight: Mostly clear, with a low around 4. Wind chill values between -5 and zero. Northwest wind around 8 mph, with gusts as high as 20 mph.

    Low: 4 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and cold, with a high near 17. Wind chill values between -10 and zero. West wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 17 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around 5. Wind chill values between zero and 5. West wind 3 to 6 mph.

    Low: 5 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 21. Wind chill values between zero and 10. North wind 3 to 8 mph.

    High: 21 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of snow, mainly after 1am.  Mostly cloudy, with a low around 12. North wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 30 mph.

    Low: 12 °F

    Chance Snow

  • Sunday

    Sunday: A 50 percent chance of snow.  Cloudy, with a high near 26. Blustery.

    High: 26 °F

    Chance Snow
    and Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 31.

    High: 31 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 4. Wind chill values between -5 and zero. Northwest wind around 8 mph, with gusts as high as 20 mph.
Friday
Mostly sunny and cold, with a high near 17. Wind chill values between -10 and zero. West wind 8 to 11 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 5. Wind chill values between zero and 5. West wind 3 to 6 mph.
Saturday
Partly sunny, with a high near 21. Wind chill values between zero and 10. North wind 3 to 8 mph.
Saturday Night
A 40 percent chance of snow, mainly after 1am. Mostly cloudy, with a low around 12. North wind 6 to 11 mph increasing to 12 to 17 mph after midnight. Winds could gust as high as 30 mph.
Sunday
A 50 percent chance of snow. Cloudy, with a high near 26. Blustery.
Sunday Night
Mostly cloudy, with a low around 16.
Monday
Mostly sunny, with a high near 31.
Monday Night
Mostly clear, with a low around 16.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 18.
Wednesday
Mostly sunny, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 16.
Thursday
A 30 percent chance of snow. Partly sunny, with a high near 30.
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ABOUT THIS FORECAST

 
Point Forecast:
Mastic NY
 40.82°N 72.85°W (Elev. 49 ft)
1:13 pm EST Jan 29, 2026
7pm EST Jan 29, 2026-6pm EST Feb 5, 2026
 
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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