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.

Blowing Snow and Windy

10°F

-12°C

Humidity 50%
Wind Speed N 31 G 48 mph
Barometer 29.81 in (1009.6 mb)
Dewpoint -5°F (-21°C)
Visibility 6.00 mi
Wind Chill-13°F (-25°C)
Last update 7 Feb 5:56 pm EST
Extended Forecast for

Hauppauge NY

Wind Advisory February 7, 06:45pm until February 8, 12:00am
Extreme Cold Warning February 7, 06:45pm until February 8, 01:00pm
Click here for hazard details and duration
Wind Advisory
Extreme Cold Warning
  •  
    Wind Advisory February 7, 06:45pm until February 8, 12:00am
    Extreme Cold Warning February 7, 06:45pm until February 8, 01:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 3 °F

    Chance Snow
    and Blustery
    then Partly
    Cloudy

  • Sunday

    Sunday: Sunny and cold, with a high near 19. Wind chill values between -5 and -15. Northwest wind 14 to 17 mph, with gusts as high as 28 mph.

    High: 19 °F

    Cold

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 7. Wind chill values between -5 and zero. 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 28. Wind chill values between -5 and 5. Northwest wind 6 to 9 mph.

    High: 28 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 16. Light northwest wind.

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 36.

    High: 36 °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 37.

    High: 37 °F

    Partly Sunny

Detailed Forecast

Tonight
A 30 percent chance of snow before 9pm. Cloudy during the early evening, then gradual clearing, with a low around 3. Wind chill values between -10 and -15. Blustery, with a northwest wind 17 to 24 mph, with gusts as high as 47 mph.
Sunday
Sunny and cold, with a high near 19. Wind chill values between -5 and -15. Northwest wind 14 to 17 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 7. Wind chill values between -5 and zero. Northwest wind 8 to 11 mph, with gusts as high as 22 mph.
Monday
Sunny, with a high near 28. Wind chill values between -5 and 5. Northwest wind 6 to 9 mph.
Monday Night
Mostly cloudy, with a low around 16. Light northwest wind.
Tuesday
Mostly cloudy, with a high near 36.
Tuesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 37.
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 20.
Friday
Partly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hauppauge NY
 40.82°N 73.2°W (Elev. 197 ft)
Last Update:
6:10 pm EST Feb 7, 2026
Forecast Valid:
6pm EST Feb 7, 2026-6pm EST Feb 14, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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