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.

A Few Clouds

64°F

18°C

Humidity 45%
Wind Speed SW 12 mph
Barometer 29.98 in (1015.2 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 9 Mar 4:56 pm EDT
Extended Forecast for

Kings Park NY

  • Tonight

    Tonight: Patchy fog after 2am. Otherwise, increasing clouds, with a low around 40. Southwest wind 3 to 7 mph.

    Low: 40 °F

    Mostly Clear
    then Patchy
    Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. South wind 3 to 7 mph.

    High: 64 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 41. South wind 3 to 6 mph.

    Low: 41 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: A 20 percent chance of showers. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 60. South wind 6 to 11 mph.

    High: 60 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 49. South wind around 15 mph.

    Low: 49 °F

    Chance
    Showers

  • Thursday

    Thursday: Rain likely, mainly before 2pm. Mostly cloudy, with a temperature falling to around 44 by 5pm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F⇓

    Rain Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 31.

    Low: 31 °F

    Chance Rain
    then Partly
    Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain before 2am. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain

Detailed Forecast

Tonight
Patchy fog after 2am. Otherwise, increasing clouds, with a low around 40. Southwest wind 3 to 7 mph.
Tuesday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 64. South wind 3 to 7 mph.
Tuesday Night
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 41. South wind 3 to 6 mph.
Wednesday
A 20 percent chance of showers. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 60. South wind 6 to 11 mph.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 49. South wind around 15 mph.
Thursday
Rain likely, mainly before 2pm. Mostly cloudy, with a temperature falling to around 44 by 5pm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 30 percent chance of rain before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 31.
Friday
Mostly sunny, with a high near 44.
Friday Night
A 30 percent chance of rain before 2am. Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 47.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Mostly cloudy, with a high near 50.
Sunday Night
Rain likely. Mostly cloudy, with a low around 41. Breezy. Chance of precipitation is 70%.
Monday
Rain likely. Cloudy, with a high near 49. Breezy. Chance of precipitation is 60%.
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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:
2:19 pm EDT Mar 9, 2026
Forecast Valid:
5pm EDT Mar 9, 2026-6pm EDT Mar 16, 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