Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

17°F

-8°C

Humidity 49%
Wind Speed N 17 G 29 mph
Barometer 29.74 in (1007.1 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 1 Feb 12:56 pm EST
Extended Forecast for

Centereach NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 23. Wind chill values between 5 and 10. Northwest wind 16 to 18 mph, with gusts as high as 31 mph.

    High: 23 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 12. Wind chill values between zero and 5. Northwest wind 9 to 15 mph.

    Low: 12 °F

    Decreasing
    Clouds

  • Monday

    Monday: Sunny, with a high near 29. Wind chill values between zero and 10. Northwest wind 9 to 13 mph.

    High: 29 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 13. Light northwest wind.

    Low: 13 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 31. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 31 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 31.

    High: 31 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 28.

    High: 28 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 23. Wind chill values between 5 and 10. Northwest wind 16 to 18 mph, with gusts as high as 31 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 12. Wind chill values between zero and 5. Northwest wind 9 to 15 mph.
Monday
Sunny, with a high near 29. Wind chill values between zero and 10. Northwest wind 9 to 13 mph.
Monday Night
Mostly clear, with a low around 13. Light northwest wind.
Tuesday
Sunny, with a high near 31. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 19.
Wednesday
Partly sunny, with a high near 31.
Wednesday Night
Partly cloudy, with a low around 13.
Thursday
Mostly sunny, with a high near 28.
Thursday Night
Partly cloudy, with a low around 13.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 31.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 12.
Saturday
Mostly sunny and cold, with a high near 20.
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ABOUT THIS FORECAST

 
Point Forecast:
Centereach NY
 40.87°N 73.07°W (Elev. 98 ft)
1:01 pm EST Feb 1, 2026
1pm EST Feb 1, 2026-6pm EST Feb 7, 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