Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

76°F

24°C

Humidity 62%
Wind Speed SW 9 mph
Barometer 29.91 in (1012.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 18 Sep 5:56 pm EDT
Extended Forecast for

Bayport NY

  • Tonight

    Tonight: Mostly clear, with a low around 61. Southwest wind 5 to 8 mph becoming light and variable  after midnight.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. Northwest wind 5 to 7 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57. Northeast wind 5 to 10 mph.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 71. Northeast wind around 11 mph.

    High: 71 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. East wind around 6 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 61. Southwest wind 5 to 8 mph becoming light and variable after midnight.
Friday
Sunny, with a high near 83. Northwest wind 5 to 7 mph.
Friday Night
Partly cloudy, with a low around 57. Northeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 71. Northeast wind around 11 mph.
Saturday Night
Mostly clear, with a low around 55. East wind around 6 mph.
Sunday
Mostly sunny, with a high near 69.
Sunday Night
Partly cloudy, with a low around 56.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Partly sunny, with a high near 77.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Thursday
Partly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Bayport NY
 40.76°N 73.07°W (Elev. 30 ft)
2:01 pm EDT Sep 18, 2025
6pm EDT Sep 18, 2025-6pm EDT Sep 25, 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