National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Shirley, Brookhaven Airport (KHWV)

Lat: 40.82°NLon: 72.87°WElev: 82ft.

Fog/Mist

65°F

18°C

Humidity 97%
Wind Speed NE 8 G 20 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 64°F (18°C)
Visibility 1.75 mi
Last update 6 Jul 1:56 pm EDT
Extended Forecast for

Middle Island NY

Flood Watch July 6, 02:10pm until July 7, 06:00am
Flood Advisory until July 6, 02:30pm
Click here for hazard details and duration
Flood Watch
...
  •  
    Flood Watch July 6, 02:10pm until July 7, 06:00am
    Flood Advisory until July 6, 02:30pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 78 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then showers likely. Low around 65. East wind 9 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 81. North wind 11 to 13 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 81 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 64. North wind 7 to 9 mph.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 82. North wind 6 to 8 mph.

    High: 82 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. High near 78. East wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 65. East wind 9 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 81. North wind 11 to 13 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 64. North wind 7 to 9 mph.
Wednesday
Mostly sunny, with a high near 82. North wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
Mostly sunny, with a high near 90.
Thursday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 72.
Friday
A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Middle Island NY
 40.88°N 72.98°W (Elev. 85 ft)
Last Update:
1:29 pm EDT Jul 6, 2026
Forecast Valid:
2pm EDT Jul 6, 2026-6pm EDT Jul 12, 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