Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fog/Mist

34°F

1°C

Humidity 89%
Wind Speed SW 12 mph
Barometer 30.15 in (1021.0 mb)
Dewpoint 31°F (-1°C)
Visibility 4.00 mi
Wind Chill25°F (-4°C)
Last update 17 Feb 8:56 am EST
Extended Forecast for

Hauppauge NY

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 43. Southwest wind 6 to 8 mph.

    High: 43 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, increasing clouds, with a low around 31. Light west wind.

    Low: 31 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Rain.  High near 42. Calm wind becoming southeast around 6 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely before 1am.  Mostly cloudy, with a low around 32. Calm wind becoming north around 5 mph after midnight.  Chance of precipitation is 60%.

    Low: 32 °F

    Rain Likely

  • Thursday

    Thursday: Mostly cloudy, with a high near 40. Northeast wind 5 to 7 mph becoming east in the afternoon.

    High: 40 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of rain before 1am, then a chance of snow.  Mostly cloudy, with a low around 29. Chance of precipitation is 30%.

    Low: 29 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Friday

    Friday: Rain.  High near 40. Chance of precipitation is 80%.

    High: 40 °F

    Rain

  • Friday Night

    Friday Night: A chance of rain before 1am, then a chance of rain and snow.  Mostly cloudy, with a low around 31. Chance of precipitation is 50%.

    Low: 31 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A chance of rain and snow before 1pm.  Mostly cloudy, with a high near 41. Chance of precipitation is 30%.

    High: 41 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 43. Southwest wind 6 to 8 mph.
Tonight
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 31. Light west wind.
Wednesday
Rain. High near 42. Calm wind becoming southeast around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely before 1am. Mostly cloudy, with a low around 32. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 60%.
Thursday
Mostly cloudy, with a high near 40. Northeast wind 5 to 7 mph becoming east in the afternoon.
Thursday Night
A chance of rain before 1am, then a chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Friday
Rain. High near 40. Chance of precipitation is 80%.
Friday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Saturday
A chance of rain and snow before 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 27.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 37.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
Hauppauge NY
 40.82°N 73.2°W (Elev. 197 ft)
4:22 am EST Feb 17, 2026
9am EST Feb 17, 2026-6pm EST Feb 23, 2026
 
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Additional Resources

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