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.

Light Rain Fog/Mist

57°F

14°C

Humidity 93%
Wind Speed NE 12 G 20 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 55°F (13°C)
Visibility 3.00 mi
Last update 11 Oct 8:56 pm EDT
Extended Forecast for

Kings Park NY

  • Tonight

    Tonight: Rain and possibly a thunderstorm, mainly before midnight, then a chance of rain and thunderstorms after midnight. Low around 56. Northeast wind 15 to 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Rain then
    Chance Rain

  • Columbus Day

    Columbus Day: Cloudy through mid morning, then gradual clearing, with a high near 70. North wind 7 to 13 mph.

    High: 70 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. North wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. Light and variable wind becoming south 5 to 8 mph in the morning.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 62. Southwest wind 9 to 11 mph.

    Low: 62 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Rain and possibly a thunderstorm, mainly before midnight, then a chance of rain and thunderstorms after midnight. Low around 56. Northeast wind 15 to 18 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Columbus Day
Cloudy through mid morning, then gradual clearing, with a high near 70. North wind 7 to 13 mph.
Monday Night
Mostly clear, with a low around 56. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 69. Light and variable wind becoming south 5 to 8 mph in the morning.
Tuesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 62. Southwest wind 9 to 11 mph.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 51.
Friday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48. Breezy.
Saturday
Partly sunny, with a high near 56. Breezy.
Saturday Night
Mostly cloudy, with a low around 39. Breezy.
Sunday
Mostly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kings Park NY
 40.89°N 73.24°W (Elev. 171 ft)
Last Update:
3:33 pm EDT Oct 11, 2026
Forecast Valid:
9pm EDT Oct 11, 2026-6pm EDT Oct 18, 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