National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy and Breezy

40°F

4°C

Humidity 43%
Wind Speed W 23 G 33 mph
Barometer 29.66 in (1004.5 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 11 Nov 11:56 am EST
Extended Forecast for

Central Islip NY

  • Veterans Day

    Veterans Day: A slight chance of rain and snow showers before 4pm. Mostly cloudy, with a high near 43. Breezy, with a west wind around 21 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Tonight

    Tonight: Increasing clouds, with a low around 34. West wind 10 to 17 mph, with gusts as high as 30 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 50. Southwest wind 10 to 14 mph.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. West wind around 10 mph, with gusts as high as 21 mph.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 47.

    High: 47 °F

    Sunny

Detailed Forecast

Veterans Day
A slight chance of rain and snow showers before 4pm. Mostly cloudy, with a high near 43. Breezy, with a west wind around 21 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
Tonight
Increasing clouds, with a low around 34. West wind 10 to 17 mph, with gusts as high as 30 mph.
Wednesday
Partly sunny, with a high near 50. Southwest wind 10 to 14 mph.
Wednesday Night
Mostly cloudy, with a low around 39. West wind around 10 mph, with gusts as high as 21 mph.
Thursday
Mostly sunny, with a high near 52. West wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Mostly clear, with a low around 37.
Friday
Mostly sunny, with a high near 51.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 47.
Saturday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 35.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 55.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 41.
Monday
A 30 percent chance of rain. Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Central Islip NY
 40.79°N 73.2°W (Elev. 98 ft)
Last Update:
7:01 am EST Nov 11, 2025
Forecast Valid:
12pm EST Nov 11, 2025-6pm EST Nov 17, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database Weather Element Forecast

Chance of Precipitation