Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Light Rain Fog/Mist

42°F

6°C

Humidity 89%
Wind Speed N 14 G 22 mph
Barometer 29.56 in (1000.9 mb)
Dewpoint 39°F (4°C)
Visibility 6.00 mi
Wind Chill35°F (2°C)
Last update 13 Nov 10:56 am EST
Extended Forecast for

2 Miles S Islip NY

Coastal Flood Advisory until November 13, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory until November 13, 03:00pm

    NOW until 3:00pm Fri

    Coastal Flood Advisory

  • Today

    High: 49 °F⇓

    Rain

  • Tonight

    Tonight: A 30 percent chance of rain before 10pm.  Cloudy, with a low around 38. North wind around 9 mph.

    Low: 38 °F

    Chance Rain
    then Mostly
    Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 49. Northwest wind 9 to 14 mph.

    High: 49 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. Northwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51. Northwest wind 9 to 14 mph.

    High: 51 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

Detailed Forecast

Today
Rain, mainly before 4pm. Temperature falling to around 44 by 5pm. North wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of rain before 10pm. Cloudy, with a low around 38. North wind around 9 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 49. Northwest wind 9 to 14 mph.
Saturday Night
Partly cloudy, with a low around 35. Northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 51. Northwest wind 9 to 14 mph.
Sunday Night
Mostly clear, with a low around 35.
Monday
Sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 38.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 40.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Clear, with a low around 41.
Thursday
Sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles S Islip NY
 40.71°N 73.22°W (Elev. 0 ft)
5:44 am EST Nov 13, 2026
11am EST Nov 13, 2026-6pm EST Nov 19, 2026
 
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Additional Resources

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Hourly Weather Forecast

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