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

77°F

25°C

Humidity 88%
Wind Speed Calm
Barometer 29.97 in (1014.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 1 Sep 4:56 pm EDT
Extended Forecast for

2 Miles SSW Mastic Beach NY

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm. High near 75. Southwest wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm. Low around 68. Northeast wind 6 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 73. Northeast wind around 16 mph.

    High: 73 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. East wind 6 to 11 mph.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 76. Southwest wind 8 to 14 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of showers before 2am. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 75. Southwest wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm. Low around 68. Northeast wind 6 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Mostly cloudy, with a high near 73. Northeast wind around 16 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. East wind 6 to 11 mph.
Thursday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 76. Southwest wind 8 to 14 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 50 percent chance of showers before 2am. Mostly cloudy, with a low around 71.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 64.
Labor Day
Sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Mastic Beach NY
 40.73°N 72.87°W (Elev. 0 ft)
Last Update:
4:34 pm EDT Sep 1, 2026
Forecast Valid:
5pm EDT Sep 1, 2026-6pm EDT Sep 8, 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