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

35°F

2°C

Humidity 72%
Wind Speed W 8 mph
Barometer 29.98 in (1015.1 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 4 Dec 7:56 am EST
Extended Forecast for

Ocean Beach NY

  • Today

    Today: Sunny through mid morning, then becoming mostly cloudy, with a high near 40. Breezy, with a west wind 18 to 24 mph.

    High: 40 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 21. Wind chill values between 10 and 20. Windy, with a northwest wind 23 to 28 mph decreasing to 13 to 18 mph after midnight.

    Low: 21 °F

    Mostly Clear
    and Windy
    then Mostly
    Clear

  • Friday

    Friday: A slight chance of rain and snow after 4pm. Increasing clouds, with a high near 38. Wind chill values between 10 and 20. Northeast wind 5 to 9 mph becoming south in the afternoon. Chance of precipitation is 20%.

    High: 38 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 10pm, then a chance of rain. Cloudy, with a steady temperature around 38. South wind around 8 mph becoming northeast after midnight. Chance of precipitation is 50%.

    Low: 38 °F

    Chance
    Rain/Snow
    then Chance
    Light Rain

  • Saturday

    Saturday: A 30 percent chance of light rain, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 42. North wind 8 to 13 mph becoming west in the afternoon.

    High: 42 °F

    Chance Light
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 32. Breezy.

    High: 32 °F

    Mostly Sunny
    and Breezy

Detailed Forecast

Today
Sunny through mid morning, then becoming mostly cloudy, with a high near 40. Breezy, with a west wind 18 to 24 mph.
Tonight
Mostly clear, with a low around 21. Wind chill values between 10 and 20. Windy, with a northwest wind 23 to 28 mph decreasing to 13 to 18 mph after midnight.
Friday
A slight chance of rain and snow after 4pm. Increasing clouds, with a high near 38. Wind chill values between 10 and 20. Northeast wind 5 to 9 mph becoming south in the afternoon. Chance of precipitation is 20%.
Friday Night
A chance of rain and snow before 10pm, then a chance of rain. Cloudy, with a steady temperature around 38. South wind around 8 mph becoming northeast after midnight. Chance of precipitation is 50%.
Saturday
A 30 percent chance of light rain, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 42. North wind 8 to 13 mph becoming west in the afternoon.
Saturday Night
Partly cloudy, with a low around 33.
Sunday
Partly sunny, with a high near 42.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 32. Breezy.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 42.
Tuesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 37.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ocean Beach NY
 40.64°N 73.18°W (Elev. 0 ft)
Last Update:
6:44 am EST Dec 4, 2025
Forecast Valid:
8am EST Dec 4, 2025-6pm EST Dec 10, 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