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.

Fog

60°F

16°C

Humidity 93%
Wind Speed SW 5 mph
Barometer 29.69 in (1005.4 mb)
Dewpoint 58°F (14°C)
Visibility 0.25 mi
Last update 10 Nov 12:56 am EST
Extended Forecast for

Islip, Long Island Mac Arthur Airport NY

Freeze Warning November 11, 01:00am until November 11, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Overnight

    Overnight: Showers. Low around 50. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Showers

  • Monday

    Monday: Showers likely, mainly before 1pm. Mostly cloudy, with a high near 58. North wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 58 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Partly cloudy, with a low around 31. Wind chill values between 20 and 25. West wind around 10 mph, with gusts as high as 21 mph.

    Low: 31 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 44. Wind chill values between 20 and 30. West wind 13 to 18 mph, with gusts as high as 37 mph.

    High: 44 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35. West wind 10 to 15 mph, with gusts as high as 31 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Wednesday Night

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

    Low: 40 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Overnight
Showers. Low around 50. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 58. North wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 31. Wind chill values between 20 and 25. West wind around 10 mph, with gusts as high as 21 mph.
Veterans Day
Mostly sunny, with a high near 44. Wind chill values between 20 and 30. West wind 13 to 18 mph, with gusts as high as 37 mph.
Tuesday Night
Partly cloudy, with a low around 35. West wind 10 to 15 mph, with gusts as high as 31 mph.
Wednesday
Partly sunny, with a high near 51.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 37.
Friday
Mostly sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 34.
Saturday
Sunny, with a high near 48.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Mostly sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Islip, Long Island Mac Arthur Airport NY
 40.8°N 73.09°W (Elev. 98 ft)
Last Update:
1:12 am EST Nov 10, 2025
Forecast Valid:
1am EST Nov 10, 2025-6pm EST Nov 16, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation