Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

23°F

-5°C

Humidity 81%
Wind Speed N 3 mph
Barometer 30.06 in (1017.8 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 27 Feb 5:56 am EST
Extended Forecast for

Bay Shore NY

  • Today

    Today: Sunny, with a high near 41. Calm wind becoming south around 5 mph in the afternoon.

    High: 41 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. Light south wind.

    Low: 29 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 48. Southwest wind 3 to 7 mph.

    High: 48 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30. Calm wind becoming north around 5 mph after midnight.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: Scattered snow showers before 1pm.  Cloudy through mid morning, then gradual clearing, with a high near 38. Northwest wind 7 to 11 mph.  Chance of precipitation is 40%.

    High: 38 °F

    Scattered
    Snow Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 18.

    Low: 18 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 29.

    High: 29 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after 1pm.  Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Today
Sunny, with a high near 41. Calm wind becoming south around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 29. Light south wind.
Saturday
Mostly sunny, with a high near 48. Southwest wind 3 to 7 mph.
Saturday Night
Mostly cloudy, with a low around 30. Calm wind becoming north around 5 mph after midnight.
Sunday
Scattered snow showers before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 38. Northwest wind 7 to 11 mph. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Mostly cloudy, with a high near 29.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 39.
Tuesday Night
Rain likely. Cloudy, with a low around 31. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of rain. Partly sunny, with a high near 44.
Wednesday Night
Mostly cloudy, with a low around 33.
Thursday
Mostly cloudy, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
Bay Shore NY
 40.71°N 73.25°W (Elev. 13 ft)
12:50 am EST Feb 27, 2026
6am EST Feb 27, 2026-6pm EST Mar 5, 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