National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Light Drizzle Fog

41°F

5°C

Humidity 100%
Wind Speed S 7 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 41°F (5°C)
Visibility 0.25 mi
Wind Chill36°F (2°C)
Last update 8 Mar 12:56 am EDT
Extended Forecast for

Bay Shore NY

Dense Fog Advisory until March 8, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until March 8, 09:00am

    NOW until 9:00am Sun

    Dense Fog Advisory

  • Overnight

    Low: 44 °F

    Showers
    Likely and
    Areas Dense
    Fog

  • Sunday

    Sunday: Showers likely, mainly before 1pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 57. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 57 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 39. West wind 3 to 6 mph.

    Low: 39 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55. Light southwest wind becoming south 5 to 10 mph in the morning.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. South wind 3 to 6 mph.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 55.

    High: 55 °F

    Cloudy

Detailed Forecast

Overnight
Patchy drizzle with a chance of showers before 4am, then showers likely with areas of drizzle after 4am. The drizzle could be heavy at times. Areas of dense fog. Otherwise, cloudy, with a steady temperature around 44. Southwest wind around 11 mph. Chance of precipitation is 70%.
Sunday
Showers likely, mainly before 1pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 57. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 39. West wind 3 to 6 mph.
Monday
Sunny, with a high near 55. Light southwest wind becoming south 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 37. South wind 3 to 6 mph.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Cloudy, with a high near 55.
Wednesday Night
A 30 percent chance of showers after 1am. Cloudy, with a low around 44.
Thursday
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 55. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers. Partly cloudy, with a low around 29. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 43.
Friday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Saturday
Mostly cloudy, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bay Shore NY
 40.71°N 73.25°W (Elev. 13 ft)
Last Update:
3:40 pm EST Mar 7, 2026
Forecast Valid:
12am EST Mar 8, 2026-6pm EDT Mar 14, 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