Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

54°F

12°C

Humidity 90%
Wind Speed Calm
Barometer 30.11 in (1019.4 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 16 May 6:56 am EDT
Extended Forecast for

2 Miles NNW Centereach NY

  • Today

    Today: Sunny, with a high near 77. Light southwest wind becoming south 8 to 13 mph in the morning.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: A chance of sprinkles after 2am.  Partly cloudy, with a low around 61. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.

    Low: 61 °F

    Chance
    Sprinkles

  • Sunday

    Sunday: A chance of sprinkles before 8am.  Sunny, with a high near 85. West wind 6 to 8 mph.

    High: 85 °F

    Chance
    Sprinkles

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 76. East wind 5 to 9 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers after 2pm.  Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 77. Light southwest wind becoming south 8 to 13 mph in the morning.
Tonight
A chance of sprinkles after 2am. Partly cloudy, with a low around 61. Southwest wind 8 to 11 mph, with gusts as high as 22 mph.
Sunday
A chance of sprinkles before 8am. Sunny, with a high near 85. West wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 76. East wind 5 to 9 mph.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 85.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 61.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 74.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
Partly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Centereach NY
 40.89°N 73.1°W (Elev. 138 ft)
5:42 am EDT May 16, 2026
7am EDT May 16, 2026-6pm EDT May 22, 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