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

17°F

-8°C

Humidity 56%
Wind Speed N 13 G 28 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 4°F (-16°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 31 Jan 11:56 pm EST
Extended Forecast for

Mastic NY

Cold Weather Advisory February 1, 12:52am until February 1, 10:00am
Coastal Flood Advisory February 1, 05:00am until February 1, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
Coastal Flood Advisory
  •  
    Cold Weather Advisory February 1, 12:52am until February 1, 10:00am

    NOW until 10:00am Sun

    Cold Weather Advisory

  • Overnight

    Low: 11 °F

    Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 25. Wind chill values between -5 and 5. North wind 14 to 18 mph, with gusts as high as 34 mph.

    High: 25 °F

    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 14. Wind chill values between zero and 10. Northwest wind 9 to 11 mph, with gusts as high as 25 mph.

    Low: 14 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 30. Wind chill values between 5 and 15. Northwest wind 8 to 11 mph.

    High: 30 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 13. Northwest wind 3 to 5 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
Cloudy, with a low around 11. Wind chill values between -5 and zero. North wind 10 to 14 mph, with gusts as high as 28 mph.
Sunday
Cloudy, with a high near 25. Wind chill values between -5 and 5. North wind 14 to 18 mph, with gusts as high as 34 mph.
Sunday Night
Mostly cloudy, with a low around 14. Wind chill values between zero and 10. Northwest wind 9 to 11 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 30. Wind chill values between 5 and 15. Northwest wind 8 to 11 mph.
Monday Night
Mostly clear, with a low around 13. Northwest wind 3 to 5 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
Mostly sunny, with a high near 29.
Thursday Night
Mostly clear, with a low around 13.
Friday
Partly sunny, with a high near 30.
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:
1:05 pm EST Jan 31, 2026
Forecast Valid:
12am EST Feb 1, 2026-6pm EST Feb 7, 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