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

72°F

22°C

Humidity 68%
Wind Speed S 10 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Jun 9:56 am EDT
Extended Forecast for

Mid Island NY

  • Today

    Today: Sunny, with a high near 77. Light south wind increasing to 5 to 9 mph in the afternoon.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 64. South wind around 6 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. South wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 80 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70. West wind 7 to 11 mph, with gusts as high as 22 mph.

    Low: 70 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 79. West wind 9 to 11 mph.

    High: 79 °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 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 66.

    Low: 66 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 77. Light south wind increasing to 5 to 9 mph in the afternoon.
Tonight
Increasing clouds, with a low around 64. South wind around 6 mph.
Thursday
A chance of showers, with thunderstorms also possible after 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 80. South wind 11 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 70. West wind 7 to 11 mph, with gusts as high as 22 mph.
Juneteenth
Mostly sunny, with a high near 79. West wind 9 to 11 mph.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 78.
Saturday Night
Clear, with a low around 66.
Sunday
Sunny, with a high near 86.
Sunday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 67.
Monday
Showers likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Monday Night
Showers likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mid Island NY
 40.9°N 72.95°W (Elev. 92 ft)
Last Update:
3:08 am EDT Jun 17, 2026
Forecast Valid:
10am EDT Jun 17, 2026-6pm EDT Jun 23, 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