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.

Mostly Cloudy

72°F

22°C

Humidity 79%
Wind Speed N 13 mph
Barometer 29.85 in (1010.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 23 Jun 1:56 pm EDT
Extended Forecast for

Middle Island NY

  • This Afternoon

    This Afternoon: Showers. Steady temperature around 69. Northwest wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 69 °F

    Showers

  • Tonight

    Tonight: Showers, mainly before 8pm. Low around 63. North wind 3 to 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 63 °F

    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 85. Northwest wind 7 to 9 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 84 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 84.

    High: 84 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.

    Low: 66 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly before 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Showers. Steady temperature around 69. Northwest wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers, mainly before 8pm. Low around 63. North wind 3 to 7 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Sunny, with a high near 85. Northwest wind 7 to 9 mph.
Wednesday Night
Mostly clear, with a low around 63. Southwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84. Calm wind becoming south 5 to 8 mph in the afternoon.
Thursday Night
A 50 percent chance of showers after 2am. Mostly cloudy, with a low around 66.
Friday
A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 84.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Saturday
Showers likely, mainly before 2pm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 66.
Monday
Mostly sunny, with a high near 85.
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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:
2:20 pm EDT Jun 23, 2026
Forecast Valid:
2pm EDT Jun 23, 2026-6pm EDT Jun 29, 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