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

29°F

-2°C

Humidity 47%
Wind Speed N 14 mph
Barometer 30.19 in (1022.5 mb)
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 4 Feb 11:56 am EST
Extended Forecast for

Mastic NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 32. Wind chill values between 20 and 25. Northwest wind around 11 mph.

    High: 32 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 13. Light north wind.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 31. Wind chill values between 10 and 20. North wind 3 to 7 mph.

    High: 31 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 13. Calm wind.

    Low: 13 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 30. Calm wind becoming southwest around 6 mph.

    High: 30 °F

    Partly Sunny

  • Friday Night

    Friday Night: Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 16 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of snow showers before noon. Partly sunny, with a high near 26. Blustery.

    High: 26 °F

    Blustery.
    Chance Snow
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 5. Blustery.

    Low: 5 °F

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

  • Sunday

    Sunday: Mostly sunny and cold, with a high near 18.

    High: 18 °F

    Cold

Detailed Forecast

This Afternoon
Sunny, with a high near 32. Wind chill values between 20 and 25. Northwest wind around 11 mph.
Tonight
Partly cloudy, with a low around 13. Light north wind.
Thursday
Sunny, with a high near 31. Wind chill values between 10 and 20. North wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 13. Calm wind.
Friday
Partly sunny, with a high near 30. Calm wind becoming southwest around 6 mph.
Friday Night
Snow showers likely, mainly after 1am. Mostly cloudy, with a low around 16. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
A 40 percent chance of snow showers before noon. Partly sunny, with a high near 26. Blustery.
Saturday Night
Partly cloudy, with a low around 5. Blustery.
Sunday
Mostly sunny and cold, with a high near 18.
Sunday Night
Partly cloudy, with a low around 8.
Monday
Mostly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Mostly sunny, with a high near 31.
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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:
7:42 am EST Feb 4, 2026
Forecast Valid:
12pm EST Feb 4, 2026-6pm EST Feb 10, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation