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

38°F

3°C

Humidity 57%
Wind Speed S 6 mph
Barometer 30.19 in (1022.3 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 19 Mar 4:56 pm EDT
Extended Forecast for

Kings Park NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. South wind around 6 mph.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: A 40 percent chance of rain after 2pm. Increasing clouds, with a high near 51. Light and variable wind becoming south 9 to 14 mph in the morning.

    High: 51 °F

    Mostly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 42. South wind 10 to 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain Likely

  • Saturday

    Saturday: Mostly sunny, with a high near 54. Northwest wind around 9 mph.

    High: 54 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41. Northwest wind around 7 mph becoming southeast after midnight.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.

    Low: 42 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 8am. Partly sunny, with a high near 53. Chance of precipitation is 60%.

    High: 53 °F

    Rain Likely
    then Chance
    Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. South wind around 6 mph.
Friday
A 40 percent chance of rain after 2pm. Increasing clouds, with a high near 51. Light and variable wind becoming south 9 to 14 mph in the morning.
Friday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 42. South wind 10 to 18 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Mostly sunny, with a high near 54. Northwest wind around 9 mph.
Saturday Night
Mostly cloudy, with a low around 41. Northwest wind around 7 mph becoming southeast after midnight.
Sunday
Mostly cloudy, with a high near 54.
Sunday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Monday
Rain likely, mainly before 8am. Partly sunny, with a high near 53. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 44.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
Partly sunny, with a high near 48.
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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:
2:27 pm EDT Mar 19, 2026
Forecast Valid:
5pm EDT Mar 19, 2026-6pm EDT Mar 26, 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