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

Jose Continues to Bring Tropical Storm Conditions to Southern New England

Strong winds, heavy rain and dangerous surf will continue for Cape Cod and nearby islands for the next couple of days. Meanwhile, winter weather will continue to impact the northern Rockies, with cold temperatures across the Great Basin and eastern California. Elevated fire weather conditions will persist in eastern Colorado. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy and Breezy

70°F

21°C

Humidity 53%
Wind Speed N 21 G 32 mph
Barometer 29.97 in (1014.7 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 22 Sep 8:56 am EDT
Extended Forecast for

Islip NY

Coastal Flood Advisory until September 23, 04:00am
Click here for hazard details and duration
Coastal Flood Advisory
  •  
    Coastal Flood Advisory until September 23, 04:00am

    NOW until
    4:00am Sat

    Coastal Flood Advisory

  • Today

    Today: Mostly cloudy, with a high near 76. North wind 15 to 17 mph, with gusts as high as 29 mph.

    Mostly Cloudy

    High: 76 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. North wind 11 to 14 mph.

    Mostly Cloudy

    Low: 64 °F

  • Saturday

    Saturday: Mostly sunny, with a high near 84. North wind 10 to 13 mph.

    Mostly Sunny

    High: 84 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 65. North wind 3 to 7 mph.

    Mostly Clear

    Low: 65 °F

  • Sunday

    Sunday: Sunny, with a high near 83. North wind around 6 mph becoming east in the afternoon.

    Sunny

    High: 83 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 66.

    Mostly Clear

    Low: 66 °F

  • Monday

    Monday: Sunny, with a high near 82.

    Sunny

    High: 82 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 66.

    Partly Cloudy

    Low: 66 °F

Detailed Forecast

Today
Mostly cloudy, with a high near 76. North wind 15 to 17 mph, with gusts as high as 29 mph.
Tonight
Mostly cloudy, with a low around 64. North wind 11 to 14 mph.
Saturday
Mostly sunny, with a high near 84. North wind 10 to 13 mph.
Saturday Night
Mostly clear, with a low around 65. North wind 3 to 7 mph.
Sunday
Sunny, with a high near 83. North wind around 6 mph becoming east in the afternoon.
Sunday Night
Mostly clear, with a low around 66.
Monday
Sunny, with a high near 82.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Partly sunny, with a high near 79.
Tuesday Night
Mostly cloudy, with a low around 64.
Wednesday
Partly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 77.
Click Map For Forecast
Point Forecast:
Islip NY
 40.73°N 73.22°W (Elev. 7 ft)
7:36 am EDT Sep 22, 2017
9am EDT Sep 22, 2017-6pm EDT Sep 28, 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