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

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy and Breezy

27°F

-3°C

Humidity 53%
Wind Speed NW 25 G 37 mph
Barometer 29.68 in (1005.2 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 1 Jan 9:56 am EST
Extended Forecast for

Hauppauge NY

  • New Year's Day

    New Year's Day: Sunny, with a steady temperature around 26. Wind chill values between 10 and 15. Northwest wind 15 to 18 mph, with gusts as high as 32 mph.

    High: 26 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 17. Wind chill values between 10 and 15. West wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 17 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 30. Wind chill values between 10 and 20. West wind 7 to 11 mph, with gusts as high as 21 mph.

    High: 30 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. West wind around 6 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Increasing clouds, with a high near 32. West wind 6 to 8 mph.

    High: 32 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Cloudy, with a low around 23.

    Low: 23 °F

    Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 33.

    High: 33 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

Detailed Forecast

New Year's Day
Sunny, with a steady temperature around 26. Wind chill values between 10 and 15. Northwest wind 15 to 18 mph, with gusts as high as 32 mph.
Tonight
Increasing clouds, with a low around 17. Wind chill values between 10 and 15. West wind 7 to 10 mph, with gusts as high as 22 mph.
Friday
Partly sunny, with a high near 30. Wind chill values between 10 and 20. West wind 7 to 11 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 20. West wind around 6 mph.
Saturday
Increasing clouds, with a high near 32. West wind 6 to 8 mph.
Saturday Night
Cloudy, with a low around 23.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 19.
Monday
Partly sunny, with a high near 31.
Monday Night
Mostly cloudy, with a low around 25.
Tuesday
Mostly cloudy, with a high near 39.
Tuesday Night
Mostly cloudy, with a low around 30.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hauppauge NY
 40.82°N 73.2°W (Elev. 197 ft)
Last Update:
12:54 am EST Jan 1, 2026
Forecast Valid:
10am EST Jan 1, 2026-6pm EST Jan 7, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation