Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

57°F

14°C

Humidity 49%
Wind Speed W 15 G 29 mph
Barometer 29.76 in (1007.6 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 9 Nov 10:56 am EST
Extended Forecast for

Bayport NY

  • Today

    Today: A 30 percent chance of showers before 1pm.  Mostly sunny, with a temperature falling to around 53 by 5pm. Northwest wind 15 to 17 mph, with gusts as high as 31 mph.

    High: 58 °F⇓

    Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 38. Northwest wind 7 to 10 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, then gradually becoming sunny, with a high near 60. West wind 8 to 13 mph.

    High: 60 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. West wind around 8 mph.

    Low: 43 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 60. West wind 5 to 8 mph.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain after 1pm.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Rain.  Low around 41. Chance of precipitation is 80%.

    Low: 41 °F

    Rain

  • Friday

    Friday: Rain.  High near 53. Breezy.  Chance of precipitation is 80%.

    High: 53 °F

    Rain and
    Breezy

Detailed Forecast

Today
A 30 percent chance of showers before 1pm. Mostly sunny, with a temperature falling to around 53 by 5pm. Northwest wind 15 to 17 mph, with gusts as high as 31 mph.
Tonight
Mostly clear, with a low around 38. Northwest wind 7 to 10 mph.
Tuesday
Partly sunny, then gradually becoming sunny, with a high near 60. West wind 8 to 13 mph.
Tuesday Night
Mostly clear, with a low around 43. West wind around 8 mph.
Veterans Day
Sunny, with a high near 60. West wind 5 to 8 mph.
Wednesday Night
Mostly cloudy, with a low around 42.
Thursday
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 59.
Thursday Night
Rain. Low around 41. Chance of precipitation is 80%.
Friday
Rain. High near 53. Breezy. Chance of precipitation is 80%.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 35.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 50.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Bayport NY
 40.76°N 73.07°W (Elev. 30 ft)
9:20 am EST Nov 9, 2026
11am EST Nov 9, 2026-6pm EST Nov 15, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database