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.

Fog

65°F

18°C

Humidity 97%
Wind Speed SE 5 mph
Barometer 30.01 in (1016.2 mb)
Dewpoint 64°F (18°C)
Visibility 0.13 mi
Last update 17 Jun 6:56 pm EDT
Extended Forecast for

Bay Shore NY

  • Tonight

    Tonight: A slight chance of showers between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Patchy fog. Otherwise, cloudy, with a low around 65. South wind 5 to 8 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 74. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 74 °F

    Chance
    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 67. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers
    Likely then
    Chance
    T-storms

  • Juneteenth

    Juneteenth: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Southwest wind 6 to 14 mph.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Southwest wind 8 to 13 mph.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Patchy fog. Otherwise, cloudy, with a low around 65. South wind 5 to 8 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Cloudy, with a high near 74. South wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 67. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Juneteenth
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Southwest wind 6 to 14 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Southwest wind 8 to 13 mph.
Friday
Sunny, with a high near 83.
Friday Night
Mostly clear, with a low around 65.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Mostly cloudy, with a low around 67.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 71.
Tuesday
Sunny, with a high near 90.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bay Shore NY
 40.73°N 73.25°W (Elev. 13 ft)
Last Update:
3:10 pm EDT Jun 17, 2025
Forecast Valid:
7pm EDT Jun 17, 2025-6pm EDT Jun 24, 2025
 
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