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

66°F

19°C

Humidity 90%
Wind Speed SE 7 mph
Barometer 30.07 in (1018.2 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 17 Jun 12:56 pm EDT
Extended Forecast for

Middle Island NY

  • This Afternoon

    This Afternoon: Cloudy, with a high near 70. Southeast wind around 7 mph.

    High: 70 °F

    Cloudy

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 11pm. Patchy fog. Otherwise, cloudy, with a low around 64. Light southeast wind.

    Low: 64 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 80. South wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 67. South wind around 6 mph. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Juneteenth

    Juneteenth: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Southwest wind 7 to 14 mph.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers between 8pm and 11pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Cloudy, with a high near 70. Southeast wind around 7 mph.
Tonight
A 30 percent chance of showers, mainly after 11pm. Patchy fog. Otherwise, cloudy, with a low around 64. Light southeast wind.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 80. South wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 67. South wind around 6 mph. Chance of precipitation is 60%.
Juneteenth
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Southwest wind 7 to 14 mph.
Thursday Night
A chance of showers between 8pm and 11pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Friday
Sunny, with a high near 85.
Friday Night
Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly cloudy, with a low around 68.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 88.
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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:
12:28 pm EDT Jun 17, 2025
Forecast Valid:
1pm EDT Jun 17, 2025-6pm EDT Jun 23, 2025
 
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