Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

19°F

-7°C

Humidity 45%
Wind Speed NW 17 mph
Barometer 30.25 in (1024.4 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill4°F (-16°C)
Last update 9 Feb 10:56 am EST
Extended Forecast for

Hauppauge NY

  • Today

    Today: Sunny, with a high near 27. Wind chill values between 10 and 20. Northwest wind 6 to 10 mph.

    High: 27 °F

    Sunny

  • Tonight

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

    Low: 16 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after 1pm.  Increasing clouds, with a high near 36. Wind chill values between 15 and 25. Calm wind becoming south around 6 mph in the afternoon.

    High: 36 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of snow, mixing with rain after 10pm, then gradually ending.  Cloudy, then gradually becoming partly cloudy, with a low around 27. Calm wind becoming west around 5 mph after midnight.  Chance of precipitation is 30%.

    Low: 27 °F

    Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. West wind 6 to 11 mph.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 32.

    High: 32 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 27. Wind chill values between 10 and 20. Northwest wind 6 to 10 mph.
Tonight
Mostly cloudy, with a low around 16. Light northwest wind.
Tuesday
A 20 percent chance of snow after 1pm. Increasing clouds, with a high near 36. Wind chill values between 15 and 25. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A chance of snow, mixing with rain after 10pm, then gradually ending. Cloudy, then gradually becoming partly cloudy, with a low around 27. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 37. West wind 6 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 23.
Thursday
Mostly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Sunny, with a high near 32.
Friday Night
Mostly clear, with a low around 20.
Saturday
Sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hauppauge NY
 40.82°N 73.2°W (Elev. 197 ft)
1:31 am EST Feb 9, 2026
11am EST Feb 9, 2026-6pm EST Feb 15, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database