Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

20°F

-7°C

Humidity 71%
Wind Speed S 5 mph
Barometer 29.95 in (1014.2 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 24 Feb 9:56 pm EST
Extended Forecast for

Islip Terrace NY

  • Tonight

    Tonight: Snow likely after 4am.  Increasing clouds, with a temperature rising to around 32 by 5am. Wind chill values between 10 and 15. West wind 5 to 7 mph becoming south after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 18 °F

    Mostly Clear
    then Snow
    Likely

  • Wednesday

    Wednesday: Rain and snow before 11am, then a chance of rain between 11am and 1pm.  High near 40. Southwest wind 9 to 14 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. Southwest wind around 6 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow, mainly after 4pm.  Partly sunny, with a high near 37. Wind chill values between 25 and 35. West wind 3 to 6 mph.

    High: 37 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 26. Light and variable wind.

    Low: 26 °F

    Chance Snow

  • Friday

    Friday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

Detailed Forecast

Tonight
Snow likely after 4am. Increasing clouds, with a temperature rising to around 32 by 5am. Wind chill values between 10 and 15. West wind 5 to 7 mph becoming south after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
Rain and snow before 11am, then a chance of rain between 11am and 1pm. High near 40. Southwest wind 9 to 14 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 29. Southwest wind around 6 mph.
Thursday
A 30 percent chance of snow, mainly after 4pm. Partly sunny, with a high near 37. Wind chill values between 25 and 35. West wind 3 to 6 mph.
Thursday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 26. Light and variable wind.
Friday
Mostly sunny, with a high near 37.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Partly cloudy, with a low around 20.
Monday
A 40 percent chance of snow. Partly sunny, with a high near 30.
Monday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Islip Terrace NY
 40.75°N 73.18°W (Elev. 30 ft)
4:55 pm EST Feb 24, 2026
10pm EST Feb 24, 2026-6pm EST Mar 3, 2026
 
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Additional Resources

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