Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

28°F

-2°C

Humidity 43%
Wind Speed Calm
Barometer 30.15 in (1021.1 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Last update 10 Feb 9:56 am EST
Extended Forecast for

Hauppauge NY

  • Today

    Today: A slight chance of snow between 1pm and 4pm.  Mostly cloudy, with a high near 33. Calm wind becoming south around 6 mph in the afternoon.  Chance of precipitation is 20%.

    High: 33 °F

    Slight Chance
    Snow

  • Tonight

    Tonight: Rain and sleet, mainly before 1am.  Low around 28. Light and variable wind becoming west around 5 mph after midnight.  Chance of precipitation is 80%. Little or no sleet accumulation expected.

    Low: 28 °F

    Rain/Sleet

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. West wind 6 to 13 mph, with gusts as high as 25 mph.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Wind chill values between 15 and 20. West wind around 9 mph, with gusts as high as 23 mph.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 34. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

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

    Low: 19 °F

    Mostly Cloudy

  • Friday

    Friday: Sunny, with a high near 34.

    High: 34 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of snow between 1pm and 4pm. Mostly cloudy, with a high near 33. Calm wind becoming south around 6 mph in the afternoon. Chance of precipitation is 20%.
Tonight
Rain and sleet, mainly before 1am. Low around 28. Light and variable wind becoming west around 5 mph after midnight. Chance of precipitation is 80%. Little or no sleet accumulation expected.
Wednesday
Mostly sunny, with a high near 38. West wind 6 to 13 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 23. Wind chill values between 15 and 20. West wind around 9 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 34. Northwest wind 9 to 11 mph, with gusts as high as 22 mph.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
Sunny, with a high near 34.
Friday Night
Mostly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 37.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
Mostly cloudy, with a high near 37.
Sunday Night
Rain and snow likely. Cloudy, with a low around 29. Chance of precipitation is 60%.
Washington's Birthday
A 50 percent chance of rain. Cloudy, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
Hauppauge NY
 40.82°N 73.2°W (Elev. 197 ft)
9:52 am EST Feb 10, 2026
11am EST Feb 10, 2026-6pm EST Feb 16, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database