Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

36°F

2°C

Humidity 59%
Wind Speed NE 12 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 15 Feb 10:56 am EST
Extended Forecast for

Hauppauge NY

  • Today

    Today: Mostly cloudy, with a high near 38. Northeast wind around 6 mph.

    High: 38 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow, mainly after 10pm.  Low around 28. Northeast wind around 6 mph.  Chance of precipitation is 80%. New snow accumulation of around an inch possible.

    Low: 28 °F

    Chance Snow
    then Snow

  • Washington's Birthday

    Washington's Birthday: Snow likely before 7am.  Cloudy, then gradually becoming mostly sunny, with a high near 37. Wind chill values between 20 and 30. Northeast wind 5 to 8 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Likely
    then Partly
    Sunny

  • Monday Night

    Monday Night: A slight chance of rain and snow showers after 1am.  Mostly cloudy, with a low around 28. Calm wind.  Chance of precipitation is 20%.

    Low: 28 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 42. Calm wind becoming southwest 5 to 7 mph.

    High: 42 °F

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 31.

    Low: 31 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Rain likely after 1pm.  Cloudy, with a high near 40. Chance of precipitation is 60%.

    High: 40 °F

    Mostly Cloudy
    then Rain
    Likely

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 1am.  Cloudy, with a low around 32. Chance of precipitation is 70%.

    Low: 32 °F

    Rain Likely

  • Thursday

    Thursday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

Detailed Forecast

Today
Mostly cloudy, with a high near 38. Northeast wind around 6 mph.
Tonight
Snow, mainly after 10pm. Low around 28. Northeast wind around 6 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Washington's Birthday
Snow likely before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 37. Wind chill values between 20 and 30. Northeast wind 5 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
A slight chance of rain and snow showers after 1am. Mostly cloudy, with a low around 28. Calm wind. Chance of precipitation is 20%.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 42. Calm wind becoming southwest 5 to 7 mph.
Tuesday Night
Increasing clouds, with a low around 31.
Wednesday
Rain likely after 1pm. Cloudy, with a high near 40. Chance of precipitation is 60%.
Wednesday Night
Rain likely, mainly before 1am. Cloudy, with a low around 32. Chance of precipitation is 70%.
Thursday
Mostly cloudy, with a high near 40.
Thursday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 31.
Friday
Rain likely. Mostly cloudy, with a high near 42. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 31.
Saturday
A chance of rain and snow. Partly sunny, with a high near 41. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hauppauge NY
 40.82°N 73.2°W (Elev. 197 ft)
1:46 am EST Feb 15, 2026
11am EST Feb 15, 2026-6pm EST Feb 21, 2026
 
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Additional Resources

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