Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

60°F

16°C

Humidity 84%
Wind Speed Calm
Barometer 30.27 in (1024.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 8 Aug 5:56 am EDT
Extended Forecast for

East Islip NY

  • Today

    Today: Sunny, with a high near 79. Southeast wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. East wind around 6 mph becoming calm  in the evening.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Northeast wind 5 to 9 mph becoming southeast in the afternoon.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 79. Southeast wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 61. East wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 79. Northeast wind 5 to 9 mph becoming southeast in the afternoon.
Saturday Night
Mostly clear, with a low around 63. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 82. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 67.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 69.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 71.
Thursday
Mostly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
East Islip NY
 40.73°N 73.19°W (Elev. 16 ft)
1:40 am EDT Aug 8, 2025
6am EDT Aug 8, 2025-6pm EDT Aug 14, 2025
 
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