Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fog

42°F

6°C

Humidity 100%
Wind Speed SW 6 mph
Barometer 29.78 in (1008.4 mb)
Dewpoint 42°F (6°C)
Visibility 0.13 mi
Wind Chill38°F (3°C)
Last update 8 Mar 6:56 am EDT
Extended Forecast for

Centereach NY

Dense Fog Advisory March 8, 07:28am until March 8, 09:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory March 8, 07:28am until March 8, 09:00am

    NOW until 9:00am Sun

    Dense Fog Advisory

  • Today

    High: 59 °F

    Chance
    Showers and
    Areas Dense
    Fog

  • Tonight

    Tonight: Partly cloudy, with a low around 39. West wind 3 to 5 mph.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 58. Calm wind becoming southwest 5 to 9 mph in the afternoon.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38. South wind around 5 mph becoming calm  in the evening.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 57. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 57 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 55.

    High: 55 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 2am.  Cloudy, with a low around 45.

    Low: 45 °F

    Cloudy then
    Chance
    Showers

Detailed Forecast

Today
A 40 percent chance of showers, mainly before 11am. Areas of dense fog before 11am. Otherwise, mostly cloudy, with a high near 59. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Partly cloudy, with a low around 39. West wind 3 to 5 mph.
Monday
Sunny, with a high near 58. Calm wind becoming southwest 5 to 9 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 38. South wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 57. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Cloudy, with a high near 55.
Wednesday Night
A 30 percent chance of showers after 2am. Cloudy, with a low around 45.
Thursday
Showers likely, mainly after 8am. Cloudy, with a high near 53. Chance of precipitation is 70%.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Mostly sunny, with a high near 44.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Centereach NY
 40.87°N 73.07°W (Elev. 98 ft)
4:09 am EDT Mar 8, 2026
7am EDT Mar 8, 2026-6pm EDT Mar 14, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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