National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

59°F

15°C

Humidity 90%
Wind Speed E 6 mph
Barometer 29.97 in (1014.6 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 9 May 4:56 am EDT
Extended Forecast for

Kings Park NY

Flood Watch May 9, 05:03am until May 10, 01:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch May 9, 05:03am until May 10, 01:00am

    NOW until 1:00am Sat

    Flood Watch

  • Overnight

    Low: 54 °F

    Showers
    Likely

  • Friday

    Friday: Showers, with thunderstorms also possible after 11am. High near 62. East wind 9 to 11 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 62 °F

    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Northeast wind 9 to 11 mph becoming west in the evening. Chance of precipitation is 40%.

    Low: 51 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 68. West wind 14 to 16 mph.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. West wind 7 to 9 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

Overnight
Showers likely. Mostly cloudy, with a low around 54. Northeast wind around 6 mph. Chance of precipitation is 70%.
Friday
Showers, with thunderstorms also possible after 11am. High near 62. East wind 9 to 11 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 51. Northeast wind 9 to 11 mph becoming west in the evening. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 68. West wind 14 to 16 mph.
Saturday Night
Mostly clear, with a low around 54. West wind 7 to 9 mph.
Sunday
Sunny, with a high near 69.
Sunday Night
Mostly clear, with a low around 51.
Monday
Sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 59.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 70.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 59.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 72.
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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:
3:06 am EDT May 9, 2025
Forecast Valid:
5am EDT May 9, 2025-6pm EDT May 15, 2025
 
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