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

72°F

22°C

Humidity 91%
Wind Speed S 8 mph
Barometer 30.26 in (1024.5 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 17 Sep 8:56 am EDT
Extended Forecast for

Middle Island NY

  • Today

    Today: Mostly cloudy, with a high near 78. South wind 6 to 9 mph.

    High: 78 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between 11pm and 5am. Mostly cloudy, with a low around 66. South wind around 8 mph.

    Low: 66 °F

    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 78. North wind 7 to 10 mph.

    High: 78 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. Northeast wind 7 to 10 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68. Northeast wind 6 to 9 mph.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 56.

    Low: 56 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Showers. High near 70. Chance of precipitation is 80%.

    High: 70 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 2am. Low around 56. Chance of precipitation is 80%.

    Low: 56 °F

    Showers

  • Monday

    Monday: A 30 percent chance of showers before 8am. Partly sunny, with a high near 68.

    High: 68 °F

    Chance
    Showers then
    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 78. South wind 6 to 9 mph.
Tonight
A 40 percent chance of showers, mainly between 11pm and 5am. Mostly cloudy, with a low around 66. South wind around 8 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 78. North wind 7 to 10 mph.
Friday Night
Partly cloudy, with a low around 56. Northeast wind 7 to 10 mph.
Saturday
Mostly sunny, with a high near 68. Northeast wind 6 to 9 mph.
Saturday Night
Increasing clouds, with a low around 56.
Sunday
Showers. High near 70. Chance of precipitation is 80%.
Sunday Night
Showers, mainly before 2am. Low around 56. Chance of precipitation is 80%.
Monday
A 30 percent chance of showers before 8am. Partly sunny, with a high near 68.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Mostly sunny, with a high near 67.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Middle Island NY
 40.87°N 72.95°W (Elev. 125 ft)
Last Update:
1:55 am EDT Sep 17, 2026
Forecast Valid:
10am EDT Sep 17, 2026-6pm EDT Sep 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