Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

30°F

-1°C

Humidity 38%
Wind Speed W 6 mph
Barometer 30.13 in (1020.5 mb)
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 3 Feb 12:56 pm EST
Extended Forecast for

Hauppauge NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 33. West wind around 7 mph.

    High: 33 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 17. Light southwest wind.

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 32. Wind chill values between 10 and 20. Northwest wind 5 to 8 mph.

    High: 32 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13. Light north wind.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 29. North wind 5 to 7 mph.

    High: 29 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 11.

    Low: 11 °F

    Chance Snow

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 20. Blustery.

    High: 20 °F

    Cold and
    Blustery

Detailed Forecast

This Afternoon
Partly sunny, with a high near 33. West wind around 7 mph.
Tonight
Mostly cloudy, with a low around 17. Light southwest wind.
Wednesday
Sunny, with a high near 32. Wind chill values between 10 and 20. Northwest wind 5 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 13. Light north wind.
Thursday
Sunny, with a high near 29. North wind 5 to 7 mph.
Thursday Night
Partly cloudy, with a low around 11.
Friday
Partly sunny, with a high near 27.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 11.
Saturday
Mostly sunny and cold, with a high near 20. Blustery.
Saturday Night
Mostly clear, with a low around 5. Blustery.
Sunday
Mostly sunny and cold, with a high near 19.
Sunday Night
Partly cloudy, with a low around 5.
Monday
Mostly sunny, with a high near 22.
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ABOUT THIS FORECAST

 
Point Forecast:
Hauppauge NY
 40.82°N 73.2°W (Elev. 197 ft)
12:54 pm EST Feb 3, 2026
1pm EST Feb 3, 2026-6pm EST Feb 9, 2026
 
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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