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.

Heavy Rain Fog/Mist

36°F

2°C

Humidity 97%
Wind Speed NE 12 mph
Barometer 30.26 in (1024.8 mb)
Dewpoint 35°F (2°C)
Visibility 3.00 mi
Wind Chill28°F (-2°C)
Last update 5 Mar 11:56 pm EST
Extended Forecast for

Bay Shore NY

  • Overnight

    Overnight: Rain, mainly before 4am. Steady temperature around 37. Northeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain

  • Friday

    Friday: Patchy fog before 8am. Otherwise, cloudy, with a high near 42. Northeast wind 7 to 9 mph, with gusts as high as 20 mph.

    High: 42 °F

    Patchy Fog
    then Cloudy

  • Friday Night

    Friday Night: A chance of drizzle, mainly after 4am. Patchy fog after 9pm. Otherwise, cloudy, with a steady temperature around 37. Northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 37 °F

    Patchy Fog
    then Chance
    Drizzle and
    Patchy Fog

  • Saturday

    Saturday: A chance of drizzle before 7am. Patchy fog before 10am. Otherwise, cloudy, with a high near 49. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 49 °F

    Chance
    Drizzle and
    Patchy Fog
    then Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am. Cloudy, with a temperature rising to around 48 by 3am. Southwest wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.

    Low: 44 °F⇑

    Chance
    Showers then
    Showers
    Likely

  • Sunday

    Sunday: Cloudy, then gradually becoming mostly sunny, with a high near 57.

    High: 57 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Monday Night

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

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Overnight
Rain, mainly before 4am. Steady temperature around 37. Northeast wind around 10 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Patchy fog before 8am. Otherwise, cloudy, with a high near 42. Northeast wind 7 to 9 mph, with gusts as high as 20 mph.
Friday Night
A chance of drizzle, mainly after 4am. Patchy fog after 9pm. Otherwise, cloudy, with a steady temperature around 37. Northeast wind 5 to 7 mph becoming calm after midnight.
Saturday
A chance of drizzle before 7am. Patchy fog before 10am. Otherwise, cloudy, with a high near 49. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
Showers likely, mainly after 1am. Cloudy, with a temperature rising to around 48 by 3am. Southwest wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Sunday
Cloudy, then gradually becoming mostly sunny, with a high near 57.
Sunday Night
Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 42.
Tuesday
Mostly sunny, with a high near 58.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 54.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 50.
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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:
1:11 am EST Mar 6, 2026
Forecast Valid:
1am EST Mar 6, 2026-6pm EDT Mar 12, 2026
 
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Additional Resources

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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