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.

A Few Clouds and Windy

11°F

-12°C

Humidity 42%
Wind Speed NW 28 G 37 mph
Barometer 30.08 in (1018.9 mb)
Dewpoint -8°F (-22°C)
Visibility 10.00 mi
Wind Chill-10°F (-23°C)
Last update 8 Feb 11:56 am EST
Extended Forecast for

Holbrook NY

Cold Weather Advisory February 8, 01:00pm until February 9, 10:00am
Extreme Cold Warning February 8, 12:21pm until February 8, 01:00pm
Click here for hazard details and duration
Cold Weather Advisory
...
  •  
    Extreme Cold Warning February 8, 12:21pm until February 8, 01:00pm

    NOW until 1:00pm Sun

    Extreme Cold Warning

  • This Afternoon

    High: 17 °F

    Cold

  • Tonight

    Tonight: Mostly clear, with a low around 7. Wind chill values between -5 and zero. Northwest wind 9 to 15 mph, with gusts as high as 28 mph.

    Low: 7 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 29. Wind chill values between -5 and 5. Northwest wind 7 to 10 mph.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 15. Light northwest wind.

    Low: 15 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 35. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 35 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 27.

    Low: 27 °F

    Chance Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and cold, with a high near 17. Wind chill values between -5 and zero. Northwest wind around 18 mph, with gusts as high as 32 mph.
Tonight
Mostly clear, with a low around 7. Wind chill values between -5 and zero. Northwest wind 9 to 15 mph, with gusts as high as 28 mph.
Monday
Sunny, with a high near 29. Wind chill values between -5 and 5. Northwest wind 7 to 10 mph.
Monday Night
Partly cloudy, with a low around 15. Light northwest wind.
Tuesday
A 20 percent chance of snow after 1pm. Mostly cloudy, with a high near 35. Calm wind becoming southwest around 6 mph in the afternoon.
Tuesday Night
A 30 percent chance of snow before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 27.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly clear, with a low around 22.
Thursday
Partly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 34.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Holbrook NY
 40.8°N 73.09°W (Elev. 98 ft)
Last Update:
11:54 am EST Feb 8, 2026
Forecast Valid:
12pm EST Feb 8, 2026-6pm EST Feb 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation