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.

Mostly Cloudy

66°F

19°C

Humidity 56%
Wind Speed E 14 G 22 mph
Barometer 30.34 in (1027.4 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 21 Sep 9:56 am EDT
Extended Forecast for

Kings Park NY

  • Today

    Today: Partly sunny, with a high near 69. East wind around 10 mph.

    High: 69 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. East wind around 6 mph becoming calm after midnight.

    Low: 54 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. Light and variable wind becoming southeast around 5 mph in the afternoon.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. Southwest wind around 6 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 79. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.

    High: 79 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 76.

    High: 76 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers. Partly sunny, with a high near 71.

    High: 71 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 69. East wind around 10 mph.
Tonight
Mostly clear, with a low around 54. East wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 74. Light and variable wind becoming southeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 61. Southwest wind around 6 mph.
Tuesday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 79. Southwest wind 6 to 8 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers after 11pm. Mostly cloudy, with a low around 64. Chance of precipitation is 50%.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 76.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 71.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 73.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 62.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 74.
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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:
5:49 am EDT Sep 21, 2025
Forecast Valid:
10am EDT Sep 21, 2025-6pm EDT Sep 27, 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