National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

48°F

9°C

Humidity 58%
Wind Speed W 14 G 29 mph
Barometer 29.91 in (1012.8 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 6 Nov 6:56 am EST
Extended Forecast for

Centereach NY

Frost Advisory November 7, 12:00am until November 7, 07:00am
Click here for hazard details and duration
Frost Advisory

  • Today

    Today: Sunny, with a high near 53. Northwest wind 15 to 17 mph, with gusts as high as 30 mph.

    High: 53 °F

    Sunny

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. Northwest wind 5 to 9 mph becoming calm after midnight.

    Low: 34 °F

    Mostly Clear
    then Areas
    Frost

  • Friday

    Friday: Areas of frost before 8am. Otherwise, partly sunny, with a high near 61. Light southwest wind becoming south 12 to 17 mph in the morning. Winds could gust as high as 30 mph.

    High: 61 °F

    Areas Frost
    then Partly
    Sunny

  • Friday Night

    Friday Night: Showers likely, mainly after 1am. Cloudy, with a low around 52. South wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 65. West wind 7 to 10 mph.

    High: 65 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.

    High: 63 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 53. Northwest wind 15 to 17 mph, with gusts as high as 30 mph.
Tonight
Areas of frost after 3am. Otherwise, mostly clear, with a low around 34. Northwest wind 5 to 9 mph becoming calm after midnight.
Friday
Areas of frost before 8am. Otherwise, partly sunny, with a high near 61. Light southwest wind becoming south 12 to 17 mph in the morning. Winds could gust as high as 30 mph.
Friday Night
Showers likely, mainly after 1am. Cloudy, with a low around 52. South wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 65. West wind 7 to 10 mph.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Rain likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 31.
Veterans Day
Mostly sunny, with a high near 47.
Tuesday Night
Mostly cloudy, with a low around 36.
Wednesday
Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Centereach NY
 40.87°N 73.07°W (Elev. 98 ft)
Last Update:
5:51 am EST Nov 6, 2025
Forecast Valid:
7am EST Nov 6, 2025-6pm EST Nov 12, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation