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

54°F

12°C

Humidity 80%
Wind Speed SW 13 mph
Barometer 30.17 in (1021.8 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 3 Apr 3:56 pm EDT
Extended Forecast for

Ocean Beach NY

  • Tonight

    Tonight: Widespread dense fog, mainly between 8pm and 11pm. Otherwise, mostly cloudy, with a low around 47. Breezy, with a southwest wind 15 to 22 mph.

    Low: 47 °F

    Dense Fog and
    Breezy

  • Saturday

    Saturday: A 20 percent chance of showers after 2pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 53. West wind 7 to 14 mph becoming east in the afternoon.

    High: 53 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly after 8pm. Cloudy, with a low around 43. Breezy, with an east wind 14 to 23 mph.

    Low: 43 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 53. Windy, with a south wind 21 to 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 53 °F

    Showers and
    Windy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 2am. Cloudy during the early evening, then gradual clearing, with a low around 42. Southwest wind around 17 mph becoming northwest after midnight.

    Low: 42 °F

    Slight Chance
    Showers

  • Monday

    Monday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Widespread dense fog, mainly between 8pm and 11pm. Otherwise, mostly cloudy, with a low around 47. Breezy, with a southwest wind 15 to 22 mph.
Saturday
A 20 percent chance of showers after 2pm. Patchy fog before 11am. Otherwise, partly sunny, with a high near 53. West wind 7 to 14 mph becoming east in the afternoon.
Saturday Night
A 40 percent chance of showers, mainly after 8pm. Cloudy, with a low around 43. Breezy, with an east wind 14 to 23 mph.
Sunday
Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 53. Windy, with a south wind 21 to 26 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A 20 percent chance of showers before 2am. Cloudy during the early evening, then gradual clearing, with a low around 42. Southwest wind around 17 mph becoming northwest after midnight.
Monday
Sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly clear, with a low around 33.
Wednesday
Sunny, with a high near 42.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Mostly sunny, with a high near 49.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 52.
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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:
2:23 pm EDT Apr 3, 2026
Forecast Valid:
4pm EDT Apr 3, 2026-6pm EDT Apr 10, 2026
 
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