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.

Overcast

13°F

-11°C

Humidity 64%
Wind Speed N 12 G 22 mph
Barometer 29.87 in (1011.6 mb)
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill-1°F (-18°C)
Last update 1 Feb 3:56 am EST
Extended Forecast for

Mastic NY

Coastal Flood Advisory February 1, 05:00am until February 1, 12:00pm
Cold Weather Advisory February 1, 04:47am until February 1, 10:00am
Click here for hazard details and duration
Coastal Flood Advisory
Cold Weather Advisory
  •  
    Cold Weather Advisory February 1, 04:47am until February 1, 10:00am

    NOW until 10:00am Sun

    Cold Weather Advisory

  • Overnight

    Low: 12 °F

    Scattered
    Flurries

  • Sunday

    Sunday: Scattered flurries before 7am. Cloudy, with a high near 23. Wind chill values between -5 and 5. Blustery, with a north wind 17 to 23 mph, with gusts as high as 34 mph.

    High: 23 °F

    Scattered
    Flurries and
    Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13. Wind chill values between zero and 5. Northwest wind 10 to 15 mph.

    Low: 13 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 30. Wind chill values between zero and 10. Northwest wind 9 to 11 mph.

    High: 30 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 13. Northwest wind 3 to 6 mph.

    Low: 13 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 31.

    High: 31 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

Detailed Forecast

Overnight
Scattered flurries. Cloudy, with a low around 12. Wind chill values between -5 and zero. North wind around 17 mph.
Sunday
Scattered flurries before 7am. Cloudy, with a high near 23. Wind chill values between -5 and 5. Blustery, with a north wind 17 to 23 mph, with gusts as high as 34 mph.
Sunday Night
Mostly cloudy, with a low around 13. Wind chill values between zero and 5. Northwest wind 10 to 15 mph.
Monday
Mostly sunny, with a high near 30. Wind chill values between zero and 10. Northwest wind 9 to 11 mph.
Monday Night
Mostly clear, with a low around 13. Northwest wind 3 to 6 mph.
Tuesday
Sunny, with a high near 31.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 30.
Wednesday Night
Partly cloudy, with a low around 15.
Thursday
Sunny, with a high near 28.
Thursday Night
Partly cloudy, with a low around 14.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 31.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 14.
Saturday
Mostly sunny, with a high near 24.
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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:
4:21 am EST Feb 1, 2026
Forecast Valid:
4am EST Feb 1, 2026-6pm EST Feb 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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