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.

Mostly Cloudy

40°F

4°C

Humidity 68%
Wind Speed E 9 mph
Barometer 29.89 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 6 Jan 2:56 pm EST
Extended Forecast for

Bay Shore NY

  • Tonight

    Tonight: A chance of rain between 7pm and 4am. Patchy fog after 10pm. Otherwise, cloudy, with a steady temperature around 40. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 40 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 47. West wind 6 to 13 mph, with gusts as high as 26 mph.

    High: 47 °F

    Gradual
    Clearing

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 33. Northwest wind 6 to 8 mph.

    Low: 33 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 45. Northwest wind around 6 mph.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 35. Calm wind becoming south around 5 mph after midnight.

    Low: 35 °F

    Mostly Cloudy

  • Friday

    Friday: Rain likely, mainly after 1pm. Cloudy, with a high near 50. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain Likely

  • Friday Night

    Friday Night: A 50 percent chance of rain. Cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: Rain. High near 49. Chance of precipitation is 80%.

    High: 49 °F

    Rain

  • Saturday Night

    Saturday Night: Rain, mainly before 1am. Low around 37. Chance of precipitation is 80%.

    Low: 37 °F

    Rain

Detailed Forecast

Tonight
A chance of rain between 7pm and 4am. Patchy fog after 10pm. Otherwise, cloudy, with a steady temperature around 40. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 47. West wind 6 to 13 mph, with gusts as high as 26 mph.
Wednesday Night
Mostly clear, with a low around 33. Northwest wind 6 to 8 mph.
Thursday
Mostly sunny, with a high near 45. Northwest wind around 6 mph.
Thursday Night
Mostly cloudy, with a low around 35. Calm wind becoming south around 5 mph after midnight.
Friday
Rain likely, mainly after 1pm. Cloudy, with a high near 50. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 50 percent chance of rain. Cloudy, with a low around 41.
Saturday
Rain. High near 49. Chance of precipitation is 80%.
Saturday Night
Rain, mainly before 1am. Low around 37. Chance of precipitation is 80%.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 47.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 31.
Tuesday
Mostly sunny, with a high near 43.
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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:
1:40 pm EST Jan 6, 2026
Forecast Valid:
3pm EST Jan 6, 2026-6pm EST Jan 13, 2026
 
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Additional Resources

Radar & Satellite Image

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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