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

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

39°F

4°C

Humidity 73%
Wind Speed Calm
Barometer 30.11 in (1019.5 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Last update 7 Dec 8:56 am EST
Extended Forecast for

Ocean Beach NY

  • Today

    Today: Partly sunny, with a high near 43. North wind 6 to 11 mph becoming southwest in the afternoon.

    High: 43 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 28. Wind chill values between 20 and 25. Blustery, with a west wind 14 to 19 mph increasing to 20 to 25 mph after midnight.

    Low: 28 °F

    Partly Cloudy
    then Partly
    Cloudy and
    Blustery

  • Monday

    Monday: Mostly sunny, with a temperature rising to near 32 by 11am, then falling to around 28 during the remainder of the day. Wind chill values between 15 and 20. Windy, with a north wind 20 to 29 mph.

    High: 32 °F⇓

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22. Wind chill values between 10 and 15. North wind 9 to 18 mph.

    Low: 22 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 42. North wind 6 to 11 mph becoming southwest 13 to 18 mph in the afternoon.

    High: 42 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 49. Breezy.

    High: 49 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 40. Breezy.

    Low: 40 °F

    Chance Rain
    and Breezy

  • Thursday

    Thursday: Partly sunny, with a high near 43. Breezy.

    High: 43 °F

    Partly Sunny
    and Breezy

Detailed Forecast

Today
Partly sunny, with a high near 43. North wind 6 to 11 mph becoming southwest in the afternoon.
Tonight
Partly cloudy, with a low around 28. Wind chill values between 20 and 25. Blustery, with a west wind 14 to 19 mph increasing to 20 to 25 mph after midnight.
Monday
Mostly sunny, with a temperature rising to near 32 by 11am, then falling to around 28 during the remainder of the day. Wind chill values between 15 and 20. Windy, with a north wind 20 to 29 mph.
Monday Night
Partly cloudy, with a low around 22. Wind chill values between 10 and 15. North wind 9 to 18 mph.
Tuesday
Increasing clouds, with a high near 42. North wind 6 to 11 mph becoming southwest 13 to 18 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 39. Breezy.
Wednesday
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 49. Breezy.
Wednesday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 40. Breezy.
Thursday
Partly sunny, with a high near 43. Breezy.
Thursday Night
A chance of rain and snow after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 30%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Blustery. Chance of precipitation is 40%.
Saturday
A 30 percent chance of snow. Partly sunny, with a high near 35. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ocean Beach NY
 40.64°N 73.18°W (Elev. 0 ft)
Last Update:
7:42 am EST Dec 7, 2025
Forecast Valid:
9am EST Dec 7, 2025-6pm EST Dec 13, 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