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Slow Moving Cold Front Moves into the Central U.S.

A slow moving cold front continues to move eastward across the U.S.. Behind the cold front is unseasonably cold weather and high elevation snows. Along the front, an area of heavy rain with the potential for flash flooding will extend from eastern New Mexico to portions of Minnesota. Post-tropical Jose will continue to meander offshore bringing high surf and rip currents to much of the east coast. Read More >

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

70°F

21°C

Humidity 61%
Wind Speed N 14 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 23 Sep 4:56 am EDT
Extended Forecast for

Islip, Long Island Mac Arthur Airport NY

  • Today

    Today: Mostly sunny, with a high near 83. North wind 9 to 11 mph, with gusts as high as 21 mph.

    Mostly Sunny

    High: 83 °F

  • Tonight

    Tonight: Clear, with a low around 65. Northeast wind around 5 mph becoming calm  in the evening.

    Clear

    Low: 65 °F

  • Sunday

    Sunday: Sunny, with a high near 85. North wind around 6 mph becoming light and variable.

    Sunny

    High: 85 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 67. South wind around 5 mph becoming calm  in the evening.

    Mostly Clear

    Low: 67 °F

  • Monday

    Monday: Mostly sunny, with a high near 82. East wind 5 to 7 mph.

    Mostly Sunny

    High: 82 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 65.

    Partly Cloudy

    Low: 65 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 79.

    Partly Sunny

    High: 79 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 64.

    Mostly Cloudy

    Low: 64 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 79.

    Partly Sunny

    High: 79 °F

Detailed Forecast

Today
Mostly sunny, with a high near 83. North wind 9 to 11 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 65. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 85. North wind around 6 mph becoming light and variable.
Sunday Night
Mostly clear, with a low around 67. South wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 82. East wind 5 to 7 mph.
Monday Night
Partly cloudy, with a low around 65.
Tuesday
Partly sunny, with a high near 79.
Tuesday Night
Mostly cloudy, with a low around 64.
Wednesday
Partly sunny, with a high near 79.
Wednesday Night
Mostly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 60.
Friday
Mostly sunny, with a high near 73.
Click Map For Forecast
Point Forecast:
Islip, Long Island Mac Arthur Airport NY
 40.8°N 73.09°W (Elev. 98 ft)
3:23 am EDT Sep 23, 2017
5am EDT Sep 23, 2017-6pm EDT Sep 29, 2017
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database