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.

Overcast

36°F

2°C

Humidity 67%
Wind Speed Calm
Barometer 29.91 in (1012.9 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 26 Feb 8:56 pm EST
Extended Forecast for

Mastic Beach NY

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Calm wind becoming north around 6 mph after midnight.

    Low: 24 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 38. Wind chill values between 20 and 30. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 38 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a steady temperature around 34. South wind 3 to 5 mph.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 42. South wind 6 to 8 mph.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. Light and variable wind becoming north around 6 mph after midnight.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Sunday Night

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

    Low: 19 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of snow after 1pm. Partly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny
    then Chance
    Snow

  • Monday Night

    Monday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 24. Calm wind becoming north around 6 mph after midnight.
Friday
Sunny, with a high near 38. Wind chill values between 20 and 30. Light and variable wind becoming south around 6 mph in the afternoon.
Friday Night
Mostly clear, with a steady temperature around 34. South wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 42. South wind 6 to 8 mph.
Saturday Night
Partly cloudy, with a low around 29. Light and variable wind becoming north around 6 mph after midnight.
Sunday
Partly sunny, with a high near 36.
Sunday Night
Partly cloudy, with a low around 19.
Monday
A 30 percent chance of snow after 1pm. Partly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 38.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 30.
Wednesday
A 40 percent chance of rain. Partly sunny, with a high near 42.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 31.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mastic Beach NY
 40.77°N 72.83°W (Elev. 13 ft)
Last Update:
12:59 pm EST Feb 26, 2026
Forecast Valid:
9pm EST Feb 26, 2026-6pm EST Mar 5, 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