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.

Light Drizzle Fog/Mist

39°F

4°C

Humidity 96%
Wind Speed S 5 mph
Barometer 30.24 in (1023.9 mb)
Dewpoint 38°F (3°C)
Visibility 1.00 mi
Wind Chill35°F (2°C)
Last update 7 Mar 9:56 am EST
Extended Forecast for

Bay Shore NY

  • Today

    Today: Areas of drizzle before 1pm. Patchy fog. Otherwise, cloudy, with a high near 45. South wind 5 to 7 mph.

    High: 45 °F

    Areas Drizzle
    and Patchy
    Fog

  • Tonight

    Tonight: A 50 percent chance of showers after 10pm. Areas of fog before 1am. Otherwise, cloudy, with a temperature falling to near 40 by 8pm, then rising to around 46 during the remainder of the night. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.

    Low: 40 °F⇑

    Chance
    Showers and
    Areas Fog

  • Sunday

    Sunday: A 40 percent chance of rain. Cloudy, with a high near 58. Southwest wind 8 to 10 mph.

    High: 58 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West wind 3 to 6 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55. Light southwest wind increasing to 5 to 9 mph in the morning.

    High: 55 °F

    Sunny

  • Monday Night

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

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain before 1pm. Cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

Detailed Forecast

Today
Areas of drizzle before 1pm. Patchy fog. Otherwise, cloudy, with a high near 45. South wind 5 to 7 mph.
Tonight
A 50 percent chance of showers after 10pm. Areas of fog before 1am. Otherwise, cloudy, with a temperature falling to near 40 by 8pm, then rising to around 46 during the remainder of the night. Southwest wind 8 to 11 mph, with gusts as high as 21 mph.
Sunday
A 40 percent chance of rain. Cloudy, with a high near 58. Southwest wind 8 to 10 mph.
Sunday Night
Mostly clear, with a low around 38. West wind 3 to 6 mph.
Monday
Sunny, with a high near 55. Light southwest wind increasing to 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
A 40 percent chance of rain before 1pm. Cloudy, with a high near 55.
Wednesday Night
Rain likely, mainly after 1am. Cloudy, with a low around 42. Chance of precipitation is 60%.
Thursday
A 50 percent chance of rain. Cloudy, with a high near 52.
Thursday Night
Partly cloudy, with a low around 29.
Friday
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bay Shore NY
 40.71°N 73.25°W (Elev. 13 ft)
Last Update:
2:47 am EST Mar 7, 2026
Forecast Valid:
10am EST Mar 7, 2026-6pm EDT Mar 13, 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