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

43°F

6°C

Humidity 76%
Wind Speed S 12 mph
Barometer 29.76 in (1007.9 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 13 Jan 10:56 pm EST
Extended Forecast for

Kings Park NY

  • Tonight

    Tonight: A 20 percent chance of rain after 4am. Cloudy, with a low around 39. Southwest wind 11 to 15 mph.

    Low: 39 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A slight chance of rain before 1pm, then a slight chance of rain after 4pm. Mostly cloudy, with a high near 46. Southwest wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 46 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain, mainly after 7pm. Cloudy, with a low around 29. South wind 5 to 9 mph.

    Low: 29 °F

    Chance Rain

  • Thursday

    Thursday: A slight chance of snow, mixing with rain after 10am, then gradually ending. Mostly sunny, with a temperature rising to near 35 by 10am, then falling to around 28 during the remainder of the day. Wind chill values between 15 and 25. West wind 14 to 18 mph. Chance of precipitation is 20%.

    High: 35 °F⇓

    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 18. West wind 16 to 18 mph.

    Low: 18 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 35.

    High: 35 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 41.

    High: 41 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain after 4am. Cloudy, with a low around 39. Southwest wind 11 to 15 mph.
Wednesday
A slight chance of rain before 1pm, then a slight chance of rain after 4pm. Mostly cloudy, with a high near 46. Southwest wind 6 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
A 50 percent chance of rain, mainly after 7pm. Cloudy, with a low around 29. South wind 5 to 9 mph.
Thursday
A slight chance of snow, mixing with rain after 10am, then gradually ending. Mostly sunny, with a temperature rising to near 35 by 10am, then falling to around 28 during the remainder of the day. Wind chill values between 15 and 25. West wind 14 to 18 mph. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 18. West wind 16 to 18 mph.
Friday
Mostly sunny, with a high near 35.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Partly sunny, with a high near 41.
Saturday Night
Mostly cloudy, with a low around 27.
Sunday
Partly sunny, with a high near 33.
Sunday Night
Partly cloudy, with a low around 22.
M.L.King Day
Mostly sunny, with a high near 31.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 27.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Kings Park NY
 40.91°N 73.24°W (Elev. 0 ft)
Last Update:
12:35 pm EST Jan 13, 2026
Forecast Valid:
11pm EST Jan 13, 2026-6pm EST Jan 20, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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