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

61°F

16°C

Humidity 81%
Wind Speed Vrbl 5 mph
Barometer 30.17 in (1021.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 15 Jun 9:56 am EDT
Extended Forecast for

Mastic Beach NY

  • Today

    Today: A 20 percent chance of light rain. Mostly cloudy, with a high near 65. East wind around 10 mph.

    High: 65 °F

    Slight Chance
    Light Rain

  • Tonight

    Tonight: A 20 percent chance of light rain. Mostly cloudy, with a low around 59. East wind around 6 mph.

    Low: 59 °F

    Slight Chance
    Light Rain

  • Monday

    Monday: Mostly cloudy, with a high near 66. East wind around 10 mph.

    High: 66 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 60. East wind 5 to 7 mph.

    Low: 60 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 69. East wind 7 to 9 mph.

    High: 69 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers before 8am. Mostly cloudy, with a high near 72.

    High: 72 °F

    Chance
    Showers then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
A 20 percent chance of light rain. Mostly cloudy, with a high near 65. East wind around 10 mph.
Tonight
A 20 percent chance of light rain. Mostly cloudy, with a low around 59. East wind around 6 mph.
Monday
Mostly cloudy, with a high near 66. East wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 60. East wind 5 to 7 mph.
Tuesday
Mostly cloudy, with a high near 69. East wind 7 to 9 mph.
Tuesday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 62.
Wednesday
A 30 percent chance of showers before 8am. Mostly cloudy, with a high near 72.
Wednesday Night
Mostly cloudy, with a low around 66.
Juneteenth
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 79.
Thursday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mastic Beach NY
 40.77°N 72.83°W (Elev. 13 ft)
Last Update:
10:18 am EDT Jun 15, 2025
Forecast Valid:
10am EDT Jun 15, 2025-6pm EDT Jun 21, 2025
 
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