Heavy rain expected across the Mid-Atlantic region and central Appalachians.

Heavy rainfall is possible over portions of the eastern United States today, with the highest risk across the Mid-Atlantic and central Appalachians. Click the "Read More" link for excessive rainfall forecasts from the Weather Prediction Center. Afternoon showers and thunderstorms are possible over portions of the Southwest and southern Rockies through Friday. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

60°F

16°C

Humidity 78%
Wind Speed NE 16 G 24 mph
Barometer 30.32 in (1026.6 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 30 Sep 2:56 am EDT
Extended Forecast for

East Islip NY

Coastal Flood Advisory September 30, 06:00am until September 30, 11:00am
Click here for hazard details and duration
Coastal Flood Advisory
  • Overnight

    Overnight: Showers likely.  Cloudy, with a low around 57. Breezy, with an east wind around 23 mph, with gusts as high as 34 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Showers
    Likely and
    Breezy

    Low: 57 °F

  • Friday

    Friday: Rain.  High near 62. Windy, with an east wind 21 to 26 mph, with gusts as high as 38 mph.  Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Rain and
    Windy

    High: 62 °F

  • Friday
    Night

    Friday Night: Showers likely.  Cloudy, with a steady temperature around 61. Breezy, with a northeast wind 17 to 20 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Showers
    Likely and
    Breezy

    Low: 61 °F

  • Saturday

    Saturday: Rain likely.  Cloudy, with a high near 66. Northeast wind 10 to 17 mph.  Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Rain Likely

    High: 66 °F

  • Saturday
    Night

    Saturday Night: Rain likely.  Cloudy, with a low around 58. Northeast wind 8 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain Likely

    Low: 58 °F

  • Sunday

    Sunday: A 50 percent chance of rain.  Cloudy, with a high near 68.

    Chance Rain

    High: 68 °F

  • Sunday
    Night

    Sunday Night: A 40 percent chance of rain.  Mostly cloudy, with a low around 60.

    Chance Rain

    Low: 60 °F

  • Monday

    Monday: A 30 percent chance of rain.  Mostly cloudy, with a high near 71.

    Chance Rain

    High: 71 °F

  • Monday
    Night

    Monday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 60.

    Chance Rain

    Low: 60 °F

Detailed Forecast

Overnight
Showers likely. Cloudy, with a low around 57. Breezy, with an east wind around 23 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 62. Windy, with an east wind 21 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Showers likely. Cloudy, with a steady temperature around 61. Breezy, with a northeast wind 17 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain likely. Cloudy, with a high near 66. Northeast wind 10 to 17 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Saturday Night
Rain likely. Cloudy, with a low around 58. Northeast wind 8 to 10 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A 50 percent chance of rain. Cloudy, with a high near 68.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 60.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 71.
Monday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 60.
Tuesday
Partly sunny, with a high near 68.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Mostly cloudy, with a high near 68.
Wednesday Night
Mostly cloudy, with a low around 58.
Thursday
Mostly cloudy, with a high near 69.
Click Map For Forecast
Point Forecast:
East Islip NY
 40.73°N 73.19°W (Elev. 16 ft)
12:29 am EDT Sep 30, 2016
3am EDT Sep 30, 2016-6pm EDT Oct 6, 2016
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database