Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

A Few Clouds

52°F

11°C

Humidity 89%
Wind Speed N 6 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 18 Apr 6:56 am EDT
Extended Forecast for

Bay Shore NY

  • Today

    Today: Partly sunny, with a high near 58. East wind 5 to 10 mph.

    High: 58 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am.  Patchy fog after 11pm.  Otherwise, cloudy, with a low around 47. Southeast wind 3 to 6 mph.

    Low: 47 °F

    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers after 2pm.  High near 59. South wind 6 to 15 mph becoming northwest in the morning.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Showers

  • Sunday Night

    Sunday Night: Cloudy during the early evening, then gradual clearing, with a low around 40. Northwest wind around 7 mph.

    Low: 40 °F

    Gradual
    Clearing

  • Monday

    Monday: A 20 percent chance of showers after 2pm.  Mostly sunny, with a high near 52. West wind 7 to 10 mph.

    High: 52 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Tuesday Night

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

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 60.

    High: 60 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 58. East wind 5 to 10 mph.
Tonight
A 30 percent chance of showers, mainly after 5am. Patchy fog after 11pm. Otherwise, cloudy, with a low around 47. Southeast wind 3 to 6 mph.
Sunday
A chance of showers and thunderstorms before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then showers after 2pm. High near 59. South wind 6 to 15 mph becoming northwest in the morning. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Cloudy during the early evening, then gradual clearing, with a low around 40. Northwest wind around 7 mph.
Monday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 52. West wind 7 to 10 mph.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Sunny, with a high near 51.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Bay Shore NY
 40.71°N 73.25°W (Elev. 13 ft)
5:23 am EDT Apr 18, 2026
7am EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

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