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

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy and Breezy

73°F

23°C

Humidity 62%
Wind Speed NE 21 G 32 mph
Barometer 29.90 in (1012.5 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 21 Aug 2:56 pm EDT
Extended Forecast for

Kings Park NY

Coastal Flood Advisory August 21, 08:00pm until August 22, 01:00am
Click here for hazard details and duration
Coastal Flood Advisory

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 60. North wind 15 to 18 mph, with gusts as high as 31 mph.

    Low: 60 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 82. North wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. Southwest wind around 6 mph.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. South wind 6 to 9 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. South wind around 10 mph.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 60. North wind 15 to 18 mph, with gusts as high as 31 mph.
Friday
Sunny, with a high near 82. North wind 7 to 11 mph, with gusts as high as 22 mph.
Friday Night
Mostly clear, with a low around 65. Southwest wind around 6 mph.
Saturday
Sunny, with a high near 83. South wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 67. South wind around 10 mph.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 67.
Monday
Showers likely, mainly before 2pm. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 63.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 60.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kings Park NY
 40.89°N 73.24°W (Elev. 171 ft)
Last Update:
2:11 pm EDT Aug 21, 2025
Forecast Valid:
3pm EDT Aug 21, 2025-6pm EDT Aug 28, 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