Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Tropical Weather Moving Closer to Texas and Floridas

Harvey has regenerated into a Tropical Depression as of 11 am EDT today. Hurricane, Tropical Storm and Storm Surge Watches have been issued for portions of the Texas coast. Harvey is expected to begin impacting the Texas coast on Friday, bringing heavy rainfall resulting in potentially life-threatening flooding, storm surge, winds and surf. For more information about the storm, please visit NHC. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

61°F

16°C

Humidity 97%
Wind Speed NW 5 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 24 Aug 3:56 am EDT
Extended Forecast for

West Sayville NY

  • Today

    Today: Sunny, with a high near 81. North wind 6 to 8 mph.

    Sunny

    High: 81 °F

  • Tonight

    Tonight: Partly cloudy, with a low around 62. West wind around 6 mph becoming north after midnight.

    Partly Cloudy

    Low: 62 °F

  • Friday

    Friday: Sunny, with a high near 79. North wind around 9 mph.

    Sunny

    High: 79 °F

  • Friday
    Night

    Friday Night: Mostly clear, with a low around 58. North wind 5 to 7 mph.

    Mostly Clear

    Low: 58 °F

  • Saturday

    Saturday: Sunny, with a high near 76. Northeast wind 5 to 8 mph.

    Sunny

    High: 76 °F

  • Saturday
    Night

    Saturday Night: Clear, with a low around 58.

    Clear

    Low: 58 °F

  • Sunday

    Sunday: Sunny, with a high near 76.

    Sunny

    High: 76 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 60.

    Mostly Clear

    Low: 60 °F

  • Monday

    Monday: Sunny, with a high near 74.

    Sunny

    High: 74 °F

Detailed Forecast

Today
Sunny, with a high near 81. North wind 6 to 8 mph.
Tonight
Partly cloudy, with a low around 62. West wind around 6 mph becoming north after midnight.
Friday
Sunny, with a high near 79. North wind around 9 mph.
Friday Night
Mostly clear, with a low around 58. North wind 5 to 7 mph.
Saturday
Sunny, with a high near 76. Northeast wind 5 to 8 mph.
Saturday Night
Clear, with a low around 58.
Sunday
Sunny, with a high near 76.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 77.
Click Map For Forecast
Point Forecast:
West Sayville NY
 40.74°N 73.1°W (Elev. 30 ft)
3:19 am EDT Aug 24, 2017
4am EDT Aug 24, 2017-6pm EDT Aug 30, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database