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

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

66°F

19°C

Humidity 47%
Wind Speed N 18 G 23 mph
Barometer 29.87 in (1011.5 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 15 May 3:56 pm EDT
Extended Forecast for

Kings Park NY

  • This Afternoon

    This Afternoon: A 20 percent chance of showers before 5pm. Mostly cloudy, with a high near 68. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 68 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 54. North wind 5 to 7 mph becoming calm in the evening.

    Low: 54 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 78. Southwest wind 6 to 14 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 62. South wind 8 to 15 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 86. West wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers before 5pm. Mostly cloudy, with a high near 68. Northwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 54. North wind 5 to 7 mph becoming calm in the evening.
Saturday
Sunny, with a high near 78. Southwest wind 6 to 14 mph.
Saturday Night
Increasing clouds, with a low around 62. South wind 8 to 15 mph.
Sunday
Sunny, with a high near 86. West wind 7 to 11 mph, with gusts as high as 21 mph.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
A 40 percent chance of showers. Mostly sunny, with a high near 82.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 70.
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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:
2:26 pm EDT May 15, 2026
Forecast Valid:
4pm EDT May 15, 2026-6pm EDT May 22, 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