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.

17°F

-8°C

Humidity 49%
Wind Speed NW 20 G 33 mph
Barometer 29.93 in (1013.8 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 27 Jan 12:56 am EST
Extended Forecast for

Kings Park NY

  • Overnight

    Overnight: Mostly clear, with a steady temperature around 17. Wind chill values between zero and 5. Blustery, with a northwest wind 17 to 20 mph.

    Low: 17 °F

    Mostly Clear
    and Blustery

  • Tuesday

    Tuesday: A chance of flurries after noon. Increasing clouds, with a high near 21. Wind chill values between zero and 10. Southwest wind 14 to 17 mph.

    High: 21 °F

    Chance
    Flurries

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 13. Wind chill values between zero and 5. West wind 15 to 17 mph.

    Low: 13 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 23. Wind chill values between zero and 10. West wind 9 to 14 mph.

    High: 23 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 12. West wind around 10 mph.

    Low: 12 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 21.

    High: 21 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 8.

    Low: 8 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and cold, with a high near 19.

    High: 19 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around 9.

    Low: 9 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 17. Wind chill values between zero and 5. Blustery, with a northwest wind 17 to 20 mph.
Tuesday
A chance of flurries after noon. Increasing clouds, with a high near 21. Wind chill values between zero and 10. Southwest wind 14 to 17 mph.
Tuesday Night
Mostly clear, with a low around 13. Wind chill values between zero and 5. West wind 15 to 17 mph.
Wednesday
Mostly sunny, with a high near 23. Wind chill values between zero and 10. West wind 9 to 14 mph.
Wednesday Night
Mostly cloudy, with a low around 12. West wind around 10 mph.
Thursday
Mostly sunny, with a high near 21.
Thursday Night
Mostly clear, with a low around 8.
Friday
Mostly sunny and cold, with a high near 19.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Mostly sunny, with a high near 24.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 16.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 28. Blustery.
Sunday Night
Mostly cloudy, with a low around 18. Blustery.
Monday
Mostly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kings Park NY
 40.91°N 73.24°W (Elev. 0 ft)
Last Update:
6:03 pm EST Jan 26, 2026
Forecast Valid:
1am EST Jan 27, 2026-6pm EST Feb 2, 2026
 
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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