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

73°F

23°C

Humidity 81%
Wind Speed S 12 G 18 mph
Barometer 30.10 in (1019.2 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 17 Sep 8:56 pm EDT
Extended Forecast for

2 Miles SSW Kings Park NY

  • Tonight

    Tonight: A 40 percent chance of showers, mainly between midnight and 2am. Mostly cloudy, with a low around 67. West wind 6 to 10 mph.

    Low: 67 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 79. North wind 8 to 10 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. North wind 8 to 10 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69. Northeast wind 7 to 10 mph.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. Southeast wind around 6 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 70 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers, mainly before 2am. Low around 59. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Monday

    Monday: A 40 percent chance of showers. Mostly cloudy, with a high near 68.

    High: 68 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 40 percent chance of showers, mainly between midnight and 2am. Mostly cloudy, with a low around 67. West wind 6 to 10 mph.
Friday
Sunny, with a high near 79. North wind 8 to 10 mph.
Friday Night
Partly cloudy, with a low around 56. North wind 8 to 10 mph.
Saturday
Mostly sunny, with a high near 69. Northeast wind 7 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 57. Southeast wind around 6 mph.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Showers, mainly before 2am. Low around 59. Chance of precipitation is 80%.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 68.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 56.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 62. Breezy.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Kings Park NY
 40.87°N 73.28°W (Elev. 148 ft)
Last Update:
2:41 pm EDT Sep 17, 2026
Forecast Valid:
9pm EDT Sep 17, 2026-6pm EDT Sep 24, 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