Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

43°F

6°C

Humidity 80%
Wind Speed NW 10 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 19 Apr 6:56 pm EDT
Extended Forecast for

Ocean Beach NY

Frost Advisory April 20, 12:00am until April 20, 08:00am
Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Frost Advisory
Freeze Warning
  • Tonight

    Tonight: A slight chance of showers between 8pm and 10pm.  Mostly clear, with a low around 37. Northwest wind 7 to 15 mph.  Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Showers then
    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers.  Mostly sunny through mid morning, then becoming cloudy, with a high near 52. Southwest wind 8 to 11 mph becoming northwest in the afternoon.

    High: 52 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. Wind chill values between 25 and 30. North wind 15 to 17 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 49. Wind chill values between 20 and 30 early. North wind 6 to 13 mph becoming southwest in the afternoon.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 2am.  Increasing clouds, with a low around 44. South wind 14 to 18 mph.

    Low: 44 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers between 8am and noon.  Cloudy, then gradually becoming mostly sunny, with a high near 54. Chance of precipitation is 30%.

    High: 54 °F

    Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers between 8pm and 10pm. Mostly clear, with a low around 37. Northwest wind 7 to 15 mph. Chance of precipitation is 20%.
Monday
A 40 percent chance of showers. Mostly sunny through mid morning, then becoming cloudy, with a high near 52. Southwest wind 8 to 11 mph becoming northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 33. Wind chill values between 25 and 30. North wind 15 to 17 mph.
Tuesday
Sunny, with a high near 49. Wind chill values between 20 and 30 early. North wind 6 to 13 mph becoming southwest in the afternoon.
Tuesday Night
A 20 percent chance of showers after 2am. Increasing clouds, with a low around 44. South wind 14 to 18 mph.
Wednesday
A chance of showers between 8am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 54. Chance of precipitation is 30%.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 55.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 46.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 52.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 46.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 51.
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ABOUT THIS FORECAST

 
Point Forecast:
Ocean Beach NY
 40.64°N 73.18°W (Elev. 0 ft)
6:50 pm EDT Apr 19, 2026
7pm EDT Apr 19, 2026-6pm EDT Apr 26, 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