Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

55°F

13°C

Humidity 36%
Wind Speed NW 8 mph
Barometer 30.28 in (1025.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 11 Apr 7:56 pm EDT
Extended Forecast for

Centereach NY

  • Tonight

    Tonight: Patchy frost after 5am.  Otherwise, clear, with a low around 37. Northwest wind 5 to 9 mph becoming light north  after midnight.

    Low: 37 °F

    Clear then
    Patchy Frost

  • Sunday

    Sunday: Patchy frost before 7am.  Otherwise, increasing clouds, with a high near 55. Northeast wind 5 to 11 mph becoming south in the afternoon. Winds could gust as high as 21 mph.

    High: 55 °F

    Patchy Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 44. South wind 9 to 11 mph.

    Low: 44 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 67. Southwest wind 10 to 18 mph.

    High: 67 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers before 2am.  Mostly cloudy, with a low around 55. West wind 6 to 15 mph.

    Low: 55 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Patchy frost after 5am. Otherwise, clear, with a low around 37. Northwest wind 5 to 9 mph becoming light north after midnight.
Sunday
Patchy frost before 7am. Otherwise, increasing clouds, with a high near 55. Northeast wind 5 to 11 mph becoming south in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
Mostly cloudy, with a low around 44. South wind 9 to 11 mph.
Monday
Partly sunny, with a high near 67. Southwest wind 10 to 18 mph.
Monday Night
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 55. West wind 6 to 15 mph.
Tuesday
Partly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Mostly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 74.
Thursday Night
Mostly cloudy, with a low around 54.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 68.
Friday Night
Mostly cloudy, with a low around 49.
Saturday
Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Centereach NY
 40.87°N 73.07°W (Elev. 98 ft)
6:36 pm EDT Apr 11, 2026
8pm EDT Apr 11, 2026-6pm EDT Apr 18, 2026
 
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Additional Resources

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Hourly Weather Forecast

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