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.

Overcast

22°F

-6°C

Humidity 75%
Wind Speed Calm
Barometer 30.10 in (1019.5 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Last update 14 Feb 2:56 am EST
Extended Forecast for

Kings Park NY

  • Overnight

    Overnight: A 30 percent chance of snow showers, mainly after 4am. Mostly cloudy, with a steady temperature around 28. Wind chill values between 20 and 25. Southwest wind around 7 mph.

    Low: 28 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: A 30 percent chance of snow showers before 7am. Mostly sunny, with a high near 39. Wind chill values between 20 and 30. West wind 7 to 10 mph.

    High: 39 °F

    Chance Snow
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 27. West wind 3 to 6 mph.

    Low: 27 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 37. Wind chill values between 25 and 30. Light and variable wind becoming northeast around 6 mph in the morning.

    High: 37 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of snow, mainly after 1am. Cloudy, with a low around 29. Northeast wind 6 to 8 mph.

    Low: 29 °F

    Chance Snow

  • Washington's Birthday

    Washington's Birthday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 30 percent chance of snow showers, mainly after 4am. Mostly cloudy, with a steady temperature around 28. Wind chill values between 20 and 25. Southwest wind around 7 mph.
Saturday
A 30 percent chance of snow showers before 7am. Mostly sunny, with a high near 39. Wind chill values between 20 and 30. West wind 7 to 10 mph.
Saturday Night
Mostly clear, with a low around 27. West wind 3 to 6 mph.
Sunday
Partly sunny, with a high near 37. Wind chill values between 25 and 30. Light and variable wind becoming northeast around 6 mph in the morning.
Sunday Night
A 40 percent chance of snow, mainly after 1am. Cloudy, with a low around 29. Northeast wind 6 to 8 mph.
Washington's Birthday
Partly sunny, with a high near 39.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Rain likely, mainly after 1pm. Cloudy, with a high near 42. Chance of precipitation is 60%.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Thursday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 29.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kings Park NY
 40.91°N 73.24°W (Elev. 0 ft)
Last Update:
1:38 am EST Feb 14, 2026
Forecast Valid:
3am EST Feb 14, 2026-6pm EST Feb 20, 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