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.

A Few Clouds

40°F

4°C

Humidity 63%
Wind Speed SW 14 G 28 mph
Barometer 29.88 in (1011.8 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 10 Dec 1:56 am EST
Extended Forecast for

Mastic NY

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 41. Southwest wind 11 to 13 mph, with gusts as high as 26 mph.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 49. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 33 mph.

    High: 49 °F

    Partly Sunny
    then Chance
    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Rain, mainly between 7pm and 10pm. Low around 29. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 29 °F

    Rain then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 38. Wind chill values between 20 and 25. Breezy, with a west wind 16 to 21 mph, with gusts as high as 32 mph.

    High: 38 °F

    Mostly Sunny
    and Breezy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. West wind 15 to 18 mph, with gusts as high as 34 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy
    then Chance
    Snow

  • Saturday

    Saturday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 41. Southwest wind 11 to 13 mph, with gusts as high as 26 mph.
Wednesday
A 50 percent chance of rain, mainly after 4pm. Mostly cloudy, with a high near 49. Breezy, with a southwest wind 11 to 20 mph, with gusts as high as 33 mph.
Wednesday Night
Rain, mainly between 7pm and 10pm. Low around 29. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Mostly sunny, with a high near 38. Wind chill values between 20 and 25. Breezy, with a west wind 16 to 21 mph, with gusts as high as 32 mph.
Thursday Night
Partly cloudy, with a low around 23. West wind 15 to 18 mph, with gusts as high as 34 mph.
Friday
Mostly sunny, with a high near 36.
Friday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 25.
Saturday
Partly sunny, with a high near 41.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 25.
Sunday
A 40 percent chance of snow before 1pm. Mostly cloudy, with a high near 35.
Sunday Night
Partly cloudy, with a low around 17.
Monday
Sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 35.
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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:
2:32 am EST Dec 10, 2025
Forecast Valid:
2am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
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Additional Resources

Radar & Satellite Image

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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