Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

46°F

8°C

Humidity 47%
Wind Speed N 15 mph
Barometer 30.34 in (1027.5 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 17 Oct 8:56 pm EDT
Extended Forecast for

Bayport NY

  • Tonight

    Tonight: Mostly clear, with a low around 38. North wind 8 to 13 mph.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. Northeast wind 7 to 9 mph.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 42. East wind 3 to 5 mph.

    Low: 42 °F

    Clear

  • Monday

    Monday: Increasing clouds, with a high near 63. Northeast wind 9 to 11 mph.

    High: 63 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 45. North wind 9 to 13 mph, with gusts as high as 24 mph.

    Low: 45 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 60. Breezy.

    High: 60 °F

    Mostly Sunny
    and Breezy
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 38. North wind 8 to 13 mph.
Sunday
Sunny, with a high near 57. Northeast wind 7 to 9 mph.
Sunday Night
Clear, with a low around 42. East wind 3 to 5 mph.
Monday
Increasing clouds, with a high near 63. Northeast wind 9 to 11 mph.
Monday Night
Mostly cloudy, with a low around 45. North wind 9 to 13 mph, with gusts as high as 24 mph.
Tuesday
Partly sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 45.
Wednesday
Mostly sunny, with a high near 60. Breezy.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
Partly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 45.
Saturday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Bayport NY
 40.76°N 73.07°W (Elev. 30 ft)
8:48 pm EDT Oct 17, 2026
9pm EDT Oct 17, 2026-6pm EDT Oct 24, 2026
 
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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