Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

62°F

17°C

Humidity 62%
Wind Speed E 12 mph
Barometer 30.26 in (1024.6 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 4 Oct 10:56 am EDT
Extended Forecast for

East Islip NY

  • Today

    Today: Showers, mainly after 2pm.  High near 64. East wind 9 to 13 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Slight Chance
    Showers then
    Showers

  • Tonight

    Tonight: Showers, mainly before 8pm.  Low around 55. Northeast wind 3 to 8 mph.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 68. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon.

    High: 68 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 48. Northwest wind 11 to 14 mph.

    Low: 48 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 62. Northwest wind around 10 mph.

    High: 62 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

Today
Showers, mainly after 2pm. High near 64. East wind 9 to 13 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers, mainly before 8pm. Low around 55. Northeast wind 3 to 8 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Partly sunny, then gradually becoming sunny, with a high near 68. West wind 7 to 12 mph increasing to 13 to 18 mph in the afternoon.
Monday Night
Clear, with a low around 48. Northwest wind 11 to 14 mph.
Tuesday
Sunny, with a high near 62. Northwest wind around 10 mph.
Tuesday Night
Clear, with a low around 51.
Wednesday
Sunny, with a high near 66.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
East Islip NY
 40.73°N 73.19°W (Elev. 16 ft)
10:11 am EDT Oct 4, 2026
10am EDT Oct 4, 2026-6pm EDT Oct 10, 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