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.

Partly Cloudy

81°F

27°C

Humidity 57%
Wind Speed NW 7 mph
Barometer 29.95 in (1014.0 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 31 Jul 11:56 am EDT
Extended Forecast for

Ocean Beach NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. Southwest wind 7 to 10 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 72. Southwest wind around 10 mph.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79. Light southwest wind becoming south 8 to 13 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 73. South wind 11 to 13 mph.

    Low: 73 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 79. South wind 10 to 15 mph.

    High: 79 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 73 °F

    Mostly Cloudy
    then Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 79. Southwest wind 7 to 10 mph.
Tonight
Partly cloudy, with a low around 72. Southwest wind around 10 mph.
Saturday
Mostly sunny, with a high near 79. Light southwest wind becoming south 8 to 13 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 73. South wind 11 to 13 mph.
Sunday
Partly sunny, with a high near 79. South wind 10 to 15 mph.
Sunday Night
Showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 73. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 80.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 73.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ocean Beach NY
 40.65°N 73.15°W (Elev. 0 ft)
Last Update:
2:30 am EDT Jul 31, 2026
Forecast Valid:
12pm EDT Jul 31, 2026-6pm EDT Aug 6, 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