Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

East Islip NY

Winter Storm Warning December 26, 04:00pm until December 27, 01:00pm
Click here for hazard details and duration
Winter Storm Warning
  • Overnight

    Overnight: Mostly clear, with a steady temperature around 23. Wind chill values between 10 and 15. North wind around 10 mph, with gusts as high as 23 mph.

    Low: 23 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of snow after 4pm.  Increasing clouds, with a high near 32. Wind chill values between 10 and 20. North wind 6 to 9 mph.

    High: 32 °F

    Partly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times.  Temperature rising to around 30 by 1am. East wind 5 to 10 mph, with gusts as high as 21 mph.  Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

    Low: 26 °F

    Heavy Snow

  • Saturday

    Saturday: A 40 percent chance of snow before 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 34. Wind chill values between 20 and 25. Northeast wind 8 to 13 mph.

    High: 34 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21. North wind 3 to 5 mph.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain after 4pm.  Mostly cloudy, with a high near 41.

    High: 41 °F

    Partly Sunny
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain, mainly after 7pm.  Low around 32. Chance of precipitation is 90%.

    Low: 32 °F

    Rain

  • Monday

    Monday: Rain.  High near 50. Chance of precipitation is 90%.

    High: 50 °F

    Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a steady temperature around 23. Wind chill values between 10 and 15. North wind around 10 mph, with gusts as high as 23 mph.
Friday
A 30 percent chance of snow after 4pm. Increasing clouds, with a high near 32. Wind chill values between 10 and 20. North wind 6 to 9 mph.
Friday Night
Snow. The snow could be heavy at times. Temperature rising to around 30 by 1am. East wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Saturday
A 40 percent chance of snow before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 34. Wind chill values between 20 and 25. Northeast wind 8 to 13 mph.
Saturday Night
Partly cloudy, with a low around 21. North wind 3 to 5 mph.
Sunday
A 30 percent chance of rain after 4pm. Mostly cloudy, with a high near 41.
Sunday Night
Rain, mainly after 7pm. Low around 32. Chance of precipitation is 90%.
Monday
Rain. High near 50. Chance of precipitation is 90%.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 22.
New Year's Day
Partly sunny, with a high near 32.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
East Islip NY
 40.73°N 73.19°W (Elev. 16 ft)
1:48 am EST Dec 26, 2025
3am EST Dec 26, 2025-6pm EST Jan 1, 2026
 
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Additional Resources

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