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

55°F

13°C

Humidity 87%
Wind Speed SW 17 G 30 mph
Barometer 29.76 in (1007.8 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 11 Mar 6:56 pm EDT
Extended Forecast for

Kings Park NY

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 49. South wind 15 to 17 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Showers
    Likely

  • Thursday

    Thursday: Rain showers before 5pm, then a chance of rain and snow showers. Temperature falling to around 40 by 3pm. Breezy, with a northwest wind 15 to 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 52 °F⇓

    Breezy.
    Showers then
    Rain/Snow

  • Thursday Night

    Thursday Night: A chance of rain and snow showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West wind 10 to 16 mph. Chance of precipitation is 30%.

    Low: 32 °F

    Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Increasing clouds, with a high near 45. West wind 6 to 11 mph becoming south 13 to 18 mph in the afternoon.

    High: 45 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Breezy, with a south wind 16 to 20 mph.

    Low: 37 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Cloudy

  • Saturday

    Saturday: Sunny, with a high near 49. Breezy.

    High: 49 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 33.

    Low: 33 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, with a high near 48.

    High: 48 °F

    Cloudy

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 40. Chance of precipitation is 80%.

    Low: 40 °F

    Chance
    Showers then
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 49. South wind 15 to 17 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Rain showers before 5pm, then a chance of rain and snow showers. Temperature falling to around 40 by 3pm. Breezy, with a northwest wind 15 to 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Thursday Night
A chance of rain and snow showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 32. West wind 10 to 16 mph. Chance of precipitation is 30%.
Friday
Increasing clouds, with a high near 45. West wind 6 to 11 mph becoming south 13 to 18 mph in the afternoon.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. Breezy, with a south wind 16 to 20 mph.
Saturday
Sunny, with a high near 49. Breezy.
Saturday Night
Increasing clouds, with a low around 33.
Sunday
Cloudy, with a high near 48.
Sunday Night
Showers, mainly after 2am. Low around 40. Chance of precipitation is 80%.
Monday
Showers. High near 55. Breezy. Chance of precipitation is 90%.
Monday Night
Showers likely. Mostly cloudy, with a low around 31. Breezy. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Mostly sunny, with a high near 37.
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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:
7:33 pm EDT Mar 11, 2026
Forecast Valid:
7pm EDT Mar 11, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation