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.

Fair

30°F

-1°C

Humidity 85%
Wind Speed Calm
Barometer 30.17 in (1021.5 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 27 Feb 9:56 pm EST
Extended Forecast for

Kings Park NY

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 44. Light and variable wind becoming southwest around 6 mph.

    High: 44 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 30. Calm wind becoming north around 5 mph after midnight.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain and snow showers before 10am, then snow showers likely. Cloudy, then gradually becoming mostly sunny, with a high near 38. Northwest wind 6 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow
    Likely then
    Snow Showers
    Likely

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 18. North wind 11 to 13 mph.

    Low: 18 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.

    High: 41 °F

    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain likely. Cloudy, with a low around 35. Chance of precipitation is 70%.

    Low: 35 °F

    Rain Likely

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 29. Calm wind.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 44. Light and variable wind becoming southwest around 6 mph.
Saturday Night
Partly cloudy, with a low around 30. Calm wind becoming north around 5 mph after midnight.
Sunday
A slight chance of rain and snow showers before 10am, then snow showers likely. Cloudy, then gradually becoming mostly sunny, with a high near 38. Northwest wind 6 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly clear, with a low around 18. North wind 11 to 13 mph.
Monday
Partly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.
Tuesday Night
Rain likely. Cloudy, with a low around 35. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 44.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
A 40 percent chance of rain. Cloudy, with a high near 44.
Thursday Night
Rain likely. Cloudy, with a low around 35. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Cloudy, with a high near 42.
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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:
8:51 pm EST Feb 27, 2026
Forecast Valid:
10pm EST Feb 27, 2026-6pm EST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation