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.

Partly Cloudy and Windy

5°F

-15°C

Humidity 47%
Wind Speed NW 31 G 43 mph
Barometer 29.97 in (1015.1 mb)
Dewpoint -11°F (-24°C)
Visibility 10.00 mi
Wind Chill-19°F (-28°C)
Last update 7 Feb 11:56 pm EST
Extended Forecast for

Islip Terrace NY

Extreme Cold Warning February 8, 12:09am until February 8, 01:00pm
Click here for hazard details and duration
Extreme Cold Warning
  •  
    Extreme Cold Warning February 8, 12:09am until February 8, 01:00pm

    NOW until 1:00pm Sun

    Extreme Cold Warning

  • Overnight

    Low: 3 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and cold, with a high near 20. Wind chill values between -5 and -15. Northwest wind 14 to 17 mph, with gusts as high as 29 mph.

    High: 20 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 7. Wind chill values between -5 and 5. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 7 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 29. Wind chill values between -5 and 5. Northwest wind 6 to 9 mph.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17. Calm wind.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 27.

    Low: 27 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 3. Wind chill values between -10 and -15. Northwest wind around 17 mph, with gusts as high as 38 mph.
Sunday
Sunny and cold, with a high near 20. Wind chill values between -5 and -15. Northwest wind 14 to 17 mph, with gusts as high as 29 mph.
Sunday Night
Mostly clear, with a low around 7. Wind chill values between -5 and 5. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 29. Wind chill values between -5 and 5. Northwest wind 6 to 9 mph.
Monday Night
Mostly cloudy, with a low around 17. Calm wind.
Tuesday
Mostly cloudy, with a high near 37.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
Mostly clear, with a low around 22.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 21.
Friday
Partly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Islip Terrace NY
 40.75°N 73.18°W (Elev. 30 ft)
Last Update:
6:10 pm EST Feb 7, 2026
Forecast Valid:
12am EST Feb 8, 2026-6pm EST Feb 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation