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

50°F

10°C

Humidity 96%
Wind Speed N 13 mph
Barometer 29.69 in (1005.4 mb)
Dewpoint 49°F (9°C)
Visibility 4.00 mi
Wind Chill45°F (7°C)
Last update 23 Mar 12:56 am EDT
Extended Forecast for

Kings Park NY

  • Overnight

    Overnight: Rain. Steady temperature around 45. North wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Rain

  • Monday

    Monday: Rain, mainly before 11am. Steady temperature around 43. North wind 11 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Rain then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. Northwest wind 13 to 15 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 46. Wind chill values between 25 and 35 early. North wind 6 to 10 mph becoming southwest in the afternoon.

    High: 46 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 36. Southwest wind around 10 mph.

    Low: 36 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.

    Low: 44 °F

    Rain Likely

Detailed Forecast

Overnight
Rain. Steady temperature around 45. North wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Rain, mainly before 11am. Steady temperature around 43. North wind 11 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Partly cloudy, with a low around 33. Northwest wind 13 to 15 mph.
Tuesday
Sunny, with a high near 46. Wind chill values between 25 and 35 early. North wind 6 to 10 mph becoming southwest in the afternoon.
Tuesday Night
Increasing clouds, with a low around 36. Southwest wind around 10 mph.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Mostly cloudy, with a high near 53.
Thursday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 60%.
Friday
Rain likely before 8am. Partly sunny, with a high near 53. Chance of precipitation is 60%.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Sunny, with a high near 41.
Saturday Night
Mostly clear, with a low around 31.
Sunday
Mostly sunny, with a high near 47.
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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:
3:49 pm EDT Mar 22, 2026
Forecast Valid:
1am EDT Mar 23, 2026-6pm EDT Mar 29, 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