Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

59°F

15°C

Humidity 81%
Wind Speed S 18 G 29 mph
Barometer 29.80 in (1008.9 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 11 Mar 4:56 pm EDT
Extended Forecast for

Hauppauge NY

  • Tonight

    Tonight: A slight chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am.  Mostly cloudy, with a low around 41. Southwest wind around 10 mph, with gusts as high as 24 mph.  Chance of precipitation is 50%.

    Low: 41 °F

    Chance
    Showers

  • Thursday

    Thursday: Showers, mainly before 5pm.  High near 54. Northwest wind 10 to 15 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 8pm.  Mostly cloudy, then gradually becoming mostly clear, with a low around 30. West wind 6 to 9 mph.

    Low: 30 °F

    Chance
    Showers then
    Mostly Clear

  • Friday

    Friday: Increasing clouds, with a high near 45. Light and variable wind becoming south 10 to 15 mph in the morning.

    High: 45 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. South wind 10 to 13 mph, with gusts as high as 25 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 32.

    Low: 32 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, with a high near 48.

    High: 48 °F

    Cloudy

  • Sunday Night

    Sunday Night: Showers, mainly after 2am.  Low around 39. Chance of precipitation is 80%.

    Low: 39 °F

    Chance
    Showers then
    Showers

Detailed Forecast

Tonight
A slight chance of showers before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 41. Southwest wind around 10 mph, with gusts as high as 24 mph. Chance of precipitation is 50%.
Thursday
Showers, mainly before 5pm. High near 54. Northwest wind 10 to 15 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
A 30 percent chance of showers before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 30. West wind 6 to 9 mph.
Friday
Increasing clouds, with a high near 45. Light and variable wind becoming south 10 to 15 mph in the morning.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. South wind 10 to 13 mph, with gusts as high as 25 mph.
Saturday
Sunny, with a high near 49.
Saturday Night
Increasing clouds, with a low around 32.
Sunday
Cloudy, with a high near 48.
Sunday Night
Showers, mainly after 2am. Low around 39. Chance of precipitation is 80%.
Monday
Showers. High near 54. Chance of precipitation is 90%.
Monday Night
Showers likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Mostly 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)
3:16 pm EDT Mar 11, 2026
6pm EDT Mar 11, 2026-6pm EDT Mar 18, 2026
 
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