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 44%
Wind Speed N 17 G 30 mph
Barometer 29.93 in (1013.6 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 12 Feb 2:56 pm EST
Extended Forecast for

Mastic NY

  • Tonight

    Tonight: Partly cloudy, with a low around 18. Northwest wind around 6 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 33. Wind chill values between 10 and 20. Northwest wind 5 to 8 mph.

    High: 33 °F

    Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow showers after 1am. Partly cloudy, with a low around 22. Calm wind becoming west around 5 mph after midnight.

    Low: 22 °F

    Partly Cloudy
    then Chance
    Snow Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 39. Wind chill values between 15 and 25. West wind 6 to 9 mph, with gusts as high as 20 mph.

    High: 39 °F

    Mostly Sunny

  • 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.

    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: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 18. Northwest wind around 6 mph.
Friday
Sunny, with a high near 33. Wind chill values between 10 and 20. Northwest wind 5 to 8 mph.
Friday Night
A 30 percent chance of snow showers after 1am. Partly cloudy, with a low around 22. Calm wind becoming west around 5 mph after midnight.
Saturday
Mostly sunny, with a high near 39. Wind chill values between 15 and 25. West wind 6 to 9 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 23. Light west wind.
Sunday
Partly sunny, with a high near 36.
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
Partly 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 50 percent chance of rain. Cloudy, with a high near 44.
Wednesday Night
Rain likely. Cloudy, with a low around 32. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mastic NY
 40.82°N 72.85°W (Elev. 49 ft)
Last Update:
12:45 pm EST Feb 12, 2026
Forecast Valid:
3pm EST Feb 12, 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