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/Mist

24°F

-4°C

Humidity 88%
Wind Speed Calm
Barometer 30.07 in (1018.2 mb)
Dewpoint 21°F (-6°C)
Visibility 5.00 mi
Last update 15 Feb 12:56 am EST
Extended Forecast for

Bay Shore NY

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 30. Calm wind.

    Low: 30 °F

    Partly Cloudy

  • Sunday

    Sunday: Increasing clouds, with a high near 38. Calm wind becoming east around 6 mph in the morning.

    High: 38 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A chance of snow with a slight chance of flurries before 7pm, then snow likely, mainly after 10pm. Cloudy, with a low around 29. Northeast wind around 7 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.

    Low: 29 °F

    Snow Likely

  • Washington's Birthday

    Washington's Birthday: A 20 percent chance of snow before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 38. Wind chill values between 20 and 30. Northeast wind 6 to 9 mph.

    High: 38 °F

    Slight Chance
    Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 29. Calm wind.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 41.

    High: 41 °F

    Cloudy then
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 30. Calm wind.
Sunday
Increasing clouds, with a high near 38. Calm wind becoming east around 6 mph in the morning.
Sunday Night
A chance of snow with a slight chance of flurries before 7pm, then snow likely, mainly after 10pm. Cloudy, with a low around 29. Northeast wind around 7 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 2 inches possible.
Washington's Birthday
A 20 percent chance of snow before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 38. Wind chill values between 20 and 30. Northeast wind 6 to 9 mph.
Monday Night
Mostly cloudy, with a low around 29. Calm wind.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
A 40 percent chance of rain after 1pm. Mostly cloudy, with a high near 41.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 44.
Thursday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Friday
A 50 percent chance of rain. Mostly cloudy, with a high near 43.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 30.
Saturday
A 30 percent chance of rain. Mostly cloudy, with a high near 42.
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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:
7:04 pm EST Feb 14, 2026
Forecast Valid:
1am EST Feb 15, 2026-6pm EST Feb 21, 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