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

50°F

10°C

Humidity 52%
Wind Speed N 9 G 22 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 12 May 7:56 am EDT
Extended Forecast for

Middle Island NY

  • Today

    Today: Sunny, with a high near 67. West wind around 7 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 51. Southwest wind around 7 mph.

    Low: 51 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 68. South wind 9 to 17 mph, with gusts as high as 30 mph.

    High: 68 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 54. South wind 8 to 13 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.

    Low: 54 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 2pm. High near 68. Southeast wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 68 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.

    Low: 52 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers before 2pm. Partly sunny, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 67. West wind around 7 mph.
Tonight
Increasing clouds, with a low around 51. Southwest wind around 7 mph.
Wednesday
Mostly cloudy, with a high near 68. South wind 9 to 17 mph, with gusts as high as 30 mph.
Wednesday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 54. South wind 8 to 13 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.
Thursday
Showers, with thunderstorms also possible after 2pm. High near 68. Southeast wind around 9 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 70.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Middle Island NY
 40.87°N 72.95°W (Elev. 125 ft)
Last Update:
2:35 am EDT May 12, 2026
Forecast Valid:
8am EDT May 12, 2026-6pm EDT May 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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