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

46°F

8°C

Humidity 89%
Wind Speed E 15 G 26 mph
Barometer 30.30 in (1025.8 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 2 Apr 2:56 am EDT
Extended Forecast for

Bay Shore NY

  • Overnight

    Overnight: Showers. Steady temperature around 47. East wind around 14 mph. Chance of precipitation is 90%.

    Low: 47 °F

    Showers

  • Thursday

    Thursday: Showers likely, mainly before 8am. Cloudy, with a high near 45. Northeast wind around 15 mph. Chance of precipitation is 60%.

    High: 45 °F

    Showers
    Likely then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of drizzle or light rain, mainly after 2am. Patchy fog. Otherwise, cloudy, with a low around 41. East wind 8 to 13 mph. Chance of precipitation is 30%.

    Low: 41 °F

    Chance Light
    Rain and
    Patchy Fog

  • Friday

    Friday: A chance of drizzle or light rain before 11am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 54. East wind 3 to 8 mph. Chance of precipitation is 30%.

    High: 54 °F

    Chance Light
    Rain and
    Areas Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49. Southwest wind 8 to 11 mph.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly after 8am. High near 59. Chance of precipitation is 90%.

    High: 59 °F

    Showers

  • Sunday Night

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

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Showers. Steady temperature around 47. East wind around 14 mph. Chance of precipitation is 90%.
Thursday
Showers likely, mainly before 8am. Cloudy, with a high near 45. Northeast wind around 15 mph. Chance of precipitation is 60%.
Thursday Night
A chance of drizzle or light rain, mainly after 2am. Patchy fog. Otherwise, cloudy, with a low around 41. East wind 8 to 13 mph. Chance of precipitation is 30%.
Friday
A chance of drizzle or light rain before 11am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 54. East wind 3 to 8 mph. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 49. Southwest wind 8 to 11 mph.
Saturday
Partly sunny, with a high near 62.
Saturday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 43.
Sunday
Showers, mainly after 8am. High near 59. Chance of precipitation is 90%.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 54.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 32.
Wednesday
Sunny, with a high near 46.
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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:
2:20 am EDT Apr 2, 2026
Forecast Valid:
3am EDT Apr 2, 2026-6pm EDT Apr 8, 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