Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Light Rain Fog/Mist

49°F

9°C

Humidity 90%
Wind Speed N 6 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 46°F (8°C)
Visibility 2.50 mi
Wind Chill46°F (8°C)
Last update 22 Nov 8:56 am EST
Extended Forecast for

2 Miles SW Nissequogue NY

  • Today

    Today: Rain likely before 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 52. North wind 5 to 8 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Rain Likely

  • Tonight

    Tonight: Partly cloudy, with a low around 32. North wind 3 to 8 mph.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49. Calm wind becoming southwest 5 to 8 mph in the morning.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West wind 7 to 14 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 51. Northwest wind 11 to 14 mph.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 37.

    Low: 37 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy, with a high near 55.

    High: 55 °F

    Cloudy

  • Tuesday Night

    Tuesday Night: Rain.  Low around 48. Chance of precipitation is 80%.

    Low: 48 °F

    Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance Rain

Detailed Forecast

Today
Rain likely before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 52. North wind 5 to 8 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Partly cloudy, with a low around 32. North wind 3 to 8 mph.
Sunday
Mostly sunny, with a high near 49. Calm wind becoming southwest 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 38. West wind 7 to 14 mph.
Monday
Sunny, with a high near 51. Northwest wind 11 to 14 mph.
Monday Night
Increasing clouds, with a low around 37.
Tuesday
Cloudy, with a high near 55.
Tuesday Night
Rain. Low around 48. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of rain. Mostly cloudy, with a high near 59.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 41.
Thanksgiving Day
Partly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Nissequogue NY
 40.88°N 73.21°W (Elev. 85 ft)
5:23 am EST Nov 22, 2025
9am EST Nov 22, 2025-6pm EST Nov 28, 2025
 
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Additional Resources

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