Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

62°F

17°C

Humidity 52%
Wind Speed Calm
Barometer 29.95 in (1014.2 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 8 Oct 7:56 pm EDT
Extended Forecast for

East Islip NY

  • Tonight

    Tonight: Mostly clear, with a low around 50. West wind around 5 mph becoming calm  in the evening.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 70. West wind 5 to 14 mph, with gusts as high as 25 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. Light west wind.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 67. Light and variable wind becoming west around 5 mph in the afternoon.

    High: 67 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. Light southeast wind.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers after 2pm.  Mostly cloudy, with a high near 68.

    High: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm.  Low around 62. Chance of precipitation is 90%.

    Low: 62 °F

    Showers

  • Columbus Day

    Columbus Day: A 40 percent chance of showers before 2pm.  Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Monday Night

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

    Low: 61 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 50. West wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 70. West wind 5 to 14 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 50. Light west wind.
Saturday
Increasing clouds, with a high near 67. Light and variable wind becoming west around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 57. Light southeast wind.
Sunday
A 50 percent chance of showers after 2pm. Mostly cloudy, with a high near 68.
Sunday Night
Showers, mainly after 8pm. Low around 62. Chance of precipitation is 90%.
Columbus Day
A 40 percent chance of showers before 2pm. Mostly cloudy, with a high near 69.
Monday Night
Mostly cloudy, with a low around 61.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 64.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Mostly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
East Islip NY
 40.71°N 73.22°W (Elev. 0 ft)
7:47 pm EDT Oct 8, 2026
8pm EDT Oct 8, 2026-6pm EDT Oct 15, 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