Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

76°F

24°C

Humidity 54%
Wind Speed NE 7 mph
Barometer 30.37 in (1028.3 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 7 Aug 9:56 am EDT
Extended Forecast for

Centereach NY

  • Today

    Today: Sunny, with a high near 80. Southeast wind around 10 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Southeast wind around 6 mph becoming calm  in the evening.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 81. Southeast wind 5 to 9 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. Southeast wind around 6 mph becoming calm  in the evening.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Northeast wind 3 to 8 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Sunday Night

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

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 80. Southeast wind around 10 mph.
Tonight
Mostly clear, with a low around 62. Southeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 81. Southeast wind 5 to 9 mph.
Friday Night
Mostly clear, with a low around 61. Southeast wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 83. Northeast wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 68.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Mostly sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Centereach NY
 40.87°N 73.07°W (Elev. 98 ft)
1:18 am EDT Aug 7, 2025
10am EDT Aug 7, 2025-6pm EDT Aug 13, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database