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.

Overcast and Breezy

39°F

4°C

Humidity 57%
Wind Speed NW 22 G 28 mph
Barometer 29.69 in (1005.3 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 11 Feb 1:56 pm EST
Extended Forecast for

Bay Shore NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 43. West wind around 15 mph.

    High: 43 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Wind chill values between 15 and 20. West wind 11 to 13 mph.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 37. Wind chill values between 15 and 25. Northwest wind 11 to 14 mph.

    High: 37 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20. Wind chill values between 10 and 15. Northwest wind around 9 mph.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 35. Northwest wind 7 to 9 mph.

    High: 35 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 43. West wind around 15 mph.
Tonight
Partly cloudy, with a low around 26. Wind chill values between 15 and 20. West wind 11 to 13 mph.
Thursday
Mostly sunny, with a high near 37. Wind chill values between 15 and 25. Northwest wind 11 to 14 mph.
Thursday Night
Partly cloudy, with a low around 20. Wind chill values between 10 and 15. Northwest wind around 9 mph.
Friday
Sunny, with a high near 35. Northwest wind 7 to 9 mph.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
Mostly sunny, with a high near 39.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
Partly sunny, with a high near 38.
Sunday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Washington's Birthday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, 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:
12:37 pm EST Feb 11, 2026
Forecast Valid:
2pm EST Feb 11, 2026-6pm EST Feb 17, 2026
 
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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