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.

Fog/Mist

49°F

9°C

Humidity 97%
Wind Speed Calm
Barometer 29.64 in (1003.8 mb)
Dewpoint 48°F (9°C)
Visibility 6.00 mi
Last update 27 Mar 4:56 am EDT
Extended Forecast for

Kings Park NY

  • Overnight

    Overnight: Showers likely. Cloudy, with a steady temperature around 50. Northwest wind around 9 mph. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a temperature falling to around 47 by 9am. North wind 10 to 15 mph.

    High: 51 °F⇓

    Chance
    Showers then
    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 31. Wind chill values between 25 and 30. North wind 8 to 10 mph.

    Low: 31 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 41. Wind chill values between 20 and 30. Northwest wind around 15 mph.

    High: 41 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 31. Northwest wind 5 to 10 mph.

    Low: 31 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers likely. Cloudy, with a steady temperature around 50. Northwest wind around 9 mph. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, with a temperature falling to around 47 by 9am. North wind 10 to 15 mph.
Friday Night
Mostly cloudy, with a low around 31. Wind chill values between 25 and 30. North wind 8 to 10 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 41. Wind chill values between 20 and 30. Northwest wind around 15 mph.
Saturday Night
Partly cloudy, with a low around 31. Northwest wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
A 40 percent chance of rain. Partly sunny, with a high near 56.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 46.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 61.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 49.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 62.
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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:
4:46 am EDT Mar 27, 2026
Forecast Valid:
5am EDT Mar 27, 2026-6pm EDT Apr 2, 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