Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

77°F

25°C

Humidity 58%
Wind Speed SE 14 mph
Barometer 30.35 in (1027.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 7 Aug 12:56 pm EDT
Extended Forecast for

Hauppauge NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 80. Southeast wind around 10 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Southeast wind around 6 mph becoming calm  in the evening.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Southeast wind 5 to 9 mph.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Southeast wind around 6 mph becoming calm  in the evening.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82. Northeast wind 3 to 8 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 80. Southeast wind around 10 mph.
Tonight
Mostly clear, with a low around 62. Southeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 80. Southeast wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 61. Southeast wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 82. Northeast wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 85.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 87.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Hauppauge NY
 40.82°N 73.2°W (Elev. 197 ft)
1:18 am EDT Aug 7, 2025
1pm EDT Aug 7, 2025-6pm EDT Aug 13, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database