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.

A Few Clouds

14°C

58°F

Humidity 87%
Wind Speed N 15 km/h
Barometer 1009.3 mb (29.81 in)
Dewpoint 12°C (54°F)
Visibility 16 km
Last update 7 May 6:56 am EDT
Extended Forecast for

West Sayville NY

  • Today

    Today: Sunny, with a high near 22. North wind around 11 km/h becoming southeast in the afternoon.

    High: 22 °C

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 11. South wind 8 to 11 km/h.

    Low: 11 °C

    Increasing
    Clouds

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly between 8am and 2pm. Mostly cloudy, with a high near 19. South wind 13 to 16 km/h.

    High: 19 °C

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 12. West wind 10 to 13 km/h.

    Low: 12 °C

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely, mainly after 2pm. Mostly cloudy, with a high near 17. East wind 13 to 18 km/h. Chance of precipitation is 70%. New precipitation amounts between 5 and 7.5 mm possible.

    High: 17 °C

    Chance Rain
    then Rain
    Likely

  • Thursday Night

    Thursday Night: Rain likely, mainly before 2am. Mostly cloudy, with a low around 11. Chance of precipitation is 70%. New precipitation amounts between 2.5 and 5 mm possible.

    Low: 11 °C

    Rain Likely

  • Friday

    Friday: A chance of rain before 8am, then a chance of showers after 8am. Mostly cloudy, with a high near 16. Chance of precipitation is 40%.

    High: 16 °C

    Chance Rain

  • Friday Night

    Friday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 8.

    Low: 8 °C

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 17.

    High: 17 °C

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 22. North wind around 11 km/h becoming southeast in the afternoon.
Tonight
Increasing clouds, with a low around 11. South wind 8 to 11 km/h.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly between 8am and 2pm. Mostly cloudy, with a high near 19. South wind 13 to 16 km/h.
Wednesday Night
Mostly cloudy, with a low around 12. West wind 10 to 13 km/h.
Thursday
Rain likely, mainly after 2pm. Mostly cloudy, with a high near 17. East wind 13 to 18 km/h. Chance of precipitation is 70%. New precipitation amounts between 5 and 7.5 mm possible.
Thursday Night
Rain likely, mainly before 2am. Mostly cloudy, with a low around 11. Chance of precipitation is 70%. New precipitation amounts between 2.5 and 5 mm possible.
Friday
A chance of rain before 8am, then a chance of showers after 8am. Mostly cloudy, with a high near 16. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 8.
Saturday
Partly sunny, with a high near 17.
Saturday Night
Partly cloudy, with a low around 9.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 17.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 9.
Monday
Partly sunny, with a high near 18.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
West Sayville NY
 40.74°N 73.1°W (Elev. 30 m)
Last Update:
6:01 am EDT May 7, 2024
Forecast Valid:
7am EDT May 7, 2024-6pm EDT May 13, 2024
 
Forecast Discussion
 
Get as KML Get as XML

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