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

61°F

16°C

Humidity 60%
Wind Speed Vrbl 7 G 16 mph
Barometer 30.21 in (1023.1 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 15 Oct 10:56 am EDT
Extended Forecast for

Mastic Beach NY

  • Today

    Today: Sunny, with a high near 61. Northeast wind 6 to 11 mph.

    High: 61 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers after 5am. Increasing clouds, with a low around 53. Southeast wind 7 to 13 mph.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely before 2pm, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 69. South wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday Night

    Friday Night: Showers and thunderstorms. Low around 47. Southwest wind 13 to 17 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers

  • Saturday

    Saturday: Showers likely before 8am. Partly sunny, with a steady temperature around 50. Breezy, with a north wind 18 to 22 mph. Chance of precipitation is 60%.

    High: 50 °F

    Breezy.
    Showers
    Likely then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 61. Northeast wind 6 to 11 mph.
Tonight
A 30 percent chance of showers after 5am. Increasing clouds, with a low around 53. Southeast wind 7 to 13 mph.
Friday
Showers likely before 2pm, then a slight chance of showers after 5pm. Mostly cloudy, with a high near 69. South wind 15 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers and thunderstorms. Low around 47. Southwest wind 13 to 17 mph becoming northwest after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely before 8am. Partly sunny, with a steady temperature around 50. Breezy, with a north wind 18 to 22 mph. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 41.
Sunday
Sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 50.
Wednesday
Sunny, with a high near 62.
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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:
7:44 am EDT Oct 15, 2026
Forecast Valid:
11am EDT Oct 15, 2026-6pm EDT Oct 21, 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