Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy and Breezy

58°F

14°C

Humidity 38%
Wind Speed NW 25 G 38 mph
Barometer 29.23 in (989.6 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 16 Nov 11:56 am EST
Extended Forecast for

Centereach NY

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 1pm.  Mostly sunny, with a temperature falling to around 45 by 5pm. West wind around 18 mph, with gusts as high as 36 mph.

    High: 56 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Wind chill values between 25 and 30. West wind 15 to 18 mph, with gusts as high as 36 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. West wind 16 to 18 mph, with gusts as high as 31 mph.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 33. West wind 10 to 14 mph, with gusts as high as 25 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 47. West wind around 11 mph, with gusts as high as 21 mph.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 1pm. Mostly sunny, with a temperature falling to around 45 by 5pm. West wind around 18 mph, with gusts as high as 36 mph.
Tonight
Partly cloudy, with a low around 34. Wind chill values between 25 and 30. West wind 15 to 18 mph, with gusts as high as 36 mph.
Monday
Mostly sunny, with a high near 45. West wind 16 to 18 mph, with gusts as high as 31 mph.
Monday Night
Mostly clear, with a low around 33. West wind 10 to 14 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 47. West wind around 11 mph, with gusts as high as 21 mph.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Mostly cloudy, with a low around 37.
Thursday
Mostly cloudy, with a high near 51.
Thursday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 42.
Friday
A 40 percent chance of rain. Cloudy, with a high near 57.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
Centereach NY
 40.87°N 73.07°W (Elev. 98 ft)
8:53 am EST Nov 16, 2025
12pm EST Nov 16, 2025-6pm EST Nov 22, 2025
 
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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