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

32°F

0°C

Humidity 64%
Wind Speed SW 7 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 28 Nov 4:56 am EST
Extended Forecast for

Mastic Beach NY

  • Today

    Today: Mostly sunny, with a high near 43. Wind chill values between 20 and 30. Breezy, with a west wind 14 to 22 mph, with gusts as high as 37 mph.

    High: 43 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 31. Wind chill values between 25 and 30. Breezy, with a west wind 13 to 20 mph, with gusts as high as 36 mph.

    Low: 31 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Saturday

    Saturday: Sunny, with a high near 43. Wind chill values between 20 and 30. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 31. Calm wind becoming south around 5 mph after midnight.

    Low: 31 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers likely, mainly after 1pm. Cloudy, with a high near 53. South wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 33. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 33 °F

    Showers
    Likely

  • Monday

    Monday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after 1pm. Cloudy, with a high near 46. Chance of precipitation is 60%.

    High: 46 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 43. Wind chill values between 20 and 30. Breezy, with a west wind 14 to 22 mph, with gusts as high as 37 mph.
Tonight
Mostly clear, with a low around 31. Wind chill values between 25 and 30. Breezy, with a west wind 13 to 20 mph, with gusts as high as 36 mph.
Saturday
Sunny, with a high near 43. Wind chill values between 20 and 30. Northwest wind 7 to 11 mph, with gusts as high as 21 mph.
Saturday Night
Increasing clouds, with a low around 31. Calm wind becoming south around 5 mph after midnight.
Sunday
Showers likely, mainly after 1pm. Cloudy, with a high near 53. South wind 8 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers likely before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 33. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Mostly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 29.
Tuesday
Rain likely, mainly after 1pm. Cloudy, with a high near 46. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 30.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Partly cloudy, with a low around 30.
Thursday
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 72.86°W (Elev. 23 ft)
Last Update:
1:12 am EST Nov 28, 2025
Forecast Valid:
5am EST Nov 28, 2025-6pm EST Dec 4, 2025
 
Forecast Discussion
 
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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