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

36°F

2°C

Humidity 93%
Wind Speed Calm
Barometer 30.21 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 5 Mar 4:51 am EST
Extended Forecast for

Kings Park NY

  • Overnight

    Overnight: A 20 percent chance of rain. Patchy fog. Otherwise, cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Slight Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: Rain, mainly after 7am. Patchy fog. High near 39. Light east wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 39 °F

    Rain and
    Patchy Fog

  • Thursday Night

    Thursday Night: Rain, mainly before 4am. Patchy fog. Low around 35. East wind 13 to 16 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of rain, mainly before 7am. Patchy fog before 10am. Otherwise, cloudy, with a high near 40. Northeast wind 9 to 15 mph.

    High: 40 °F

    Chance Rain
    and Patchy
    Fog

  • Friday Night

    Friday Night: A 20 percent chance of rain after 1am. Cloudy, with a low around 35. Northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 35 °F

    Cloudy then
    Slight Chance
    Rain

  • Saturday

    Saturday: Cloudy, with a high near 49.

    High: 49 °F

    Cloudy

  • Saturday Night

    Saturday Night: Showers likely. Cloudy, with a low around 44. Chance of precipitation is 70%.

    Low: 44 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Sunday Night

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

    Low: 41 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain. Patchy fog. Otherwise, cloudy, with a low around 33. Calm wind.
Thursday
Rain, mainly after 7am. Patchy fog. High near 39. Light east wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain, mainly before 4am. Patchy fog. Low around 35. East wind 13 to 16 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 30 percent chance of rain, mainly before 7am. Patchy fog before 10am. Otherwise, cloudy, with a high near 40. Northeast wind 9 to 15 mph.
Friday Night
A 20 percent chance of rain after 1am. Cloudy, with a low around 35. Northeast wind 5 to 7 mph becoming calm after midnight.
Saturday
Cloudy, with a high near 49.
Saturday Night
Showers likely. Cloudy, with a low around 44. Chance of precipitation is 70%.
Sunday
Partly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 53.
Monday Night
Partly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 44.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 56.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Kings Park NY
 40.91°N 73.24°W (Elev. 0 ft)
Last Update:
12:54 am EST Mar 5, 2026
Forecast Valid:
5am EST Mar 5, 2026-6pm EDT Mar 11, 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