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

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Fair

35°F

2°C

Humidity 54%
Wind Speed W 12 mph
Barometer 29.79 in (1008.9 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 11 Feb 7:56 pm EST
Extended Forecast for

Mastic NY

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Wind chill values between 15 and 20. West wind 10 to 13 mph.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 36. Wind chill values between 15 and 25. Northwest wind 10 to 15 mph.

    High: 36 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. Wind chill values between 10 and 15. Northwest wind around 8 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 34. Wind chill values between 10 and 20. Northwest wind 6 to 9 mph.

    High: 34 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of snow showers or flurries after 1am. Increasing clouds, with a low around 24. West wind around 6 mph.

    Low: 24 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 37.

    High: 37 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 26. Wind chill values between 15 and 20. West wind 10 to 13 mph.
Thursday
Sunny, with a high near 36. Wind chill values between 15 and 25. Northwest wind 10 to 15 mph.
Thursday Night
Partly cloudy, with a low around 18. Wind chill values between 10 and 15. Northwest wind around 8 mph.
Friday
Sunny, with a high near 34. Wind chill values between 10 and 20. Northwest wind 6 to 9 mph.
Friday Night
A 20 percent chance of snow showers or flurries after 1am. Increasing clouds, with a low around 24. West wind around 6 mph.
Saturday
Mostly sunny, with a high near 38.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Partly sunny, with a high near 37.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 27.
Washington's Birthday
A chance of rain and snow. Mostly cloudy, with a high near 39. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
A 40 percent chance of rain. Cloudy, with a high near 42.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mastic NY
 40.82°N 72.85°W (Elev. 49 ft)
Last Update:
12:37 pm EST Feb 11, 2026
Forecast Valid:
8pm EST Feb 11, 2026-6pm EST Feb 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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