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

Increasing Risk for Flash and River Flooding Through the Weekend

A storm system will track across the central U.S. and set the stage for severe thunderstorms and widespread heavy rainfall through the weekend. There will be a threat for flash and river flooding for portions of the Southern Plains into the Upper Midwest. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

60°F

16°C

Humidity 84%
Wind Speed SW 7 mph
Barometer 30.05 in (1017.7 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 28 Apr 9:56 pm EDT
Extended Forecast for

East Islip NY

  • Tonight

    Tonight: Patchy fog after 4am.  Otherwise, increasing clouds, with a low around 58. Southwest wind around 8 mph.

    Partly Cloudy
    then Patchy
    Fog

    Low: 58 °F

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and noon.  Patchy fog before 9am.  Otherwise, cloudy through mid morning, then gradual clearing, with a high near 80. West wind 10 to 15 mph.  Chance of precipitation is 60%.

    Showers
    Likely and
    Patchy Fog
    then Sunny

    High: 80 °F

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around 53. West wind 7 to 9 mph becoming northeast after midnight.

    Mostly Cloudy

    Low: 53 °F

  • Sunday

    Sunday: Partly sunny, with a high near 61. East wind 8 to 13 mph.

    Partly Sunny

    High: 61 °F

  • Sunday
    Night

    Sunday Night: A 20 percent chance of showers after 10pm.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 49. East wind 8 to 13 mph.

    Slight Chance
    Showers and
    Patchy Fog

    Low: 49 °F

  • Monday

    Monday: Patchy fog before 10am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 70.

    Patchy Fog
    then Mostly
    Sunny

    High: 70 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 4am, then a chance of showers and thunderstorms after 4am.  Mostly cloudy, with a low around 56. Chance of precipitation is 60%.

    Chance
    T-storms then
    Showers
    Likely

    Low: 56 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers before 8am.  Mostly sunny, with a high near 69.

    Chance
    Showers then
    Mostly Sunny

    High: 69 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 50.

    Mostly Clear

    Low: 50 °F

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 58. Southwest wind around 8 mph.
Saturday
Showers likely and possibly a thunderstorm before 9am, then a chance of showers and thunderstorms between 9am and noon. Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 80. West wind 10 to 15 mph. Chance of precipitation is 60%.
Saturday Night
Mostly cloudy, with a low around 53. West wind 7 to 9 mph becoming northeast after midnight.
Sunday
Partly sunny, with a high near 61. East wind 8 to 13 mph.
Sunday Night
A 20 percent chance of showers after 10pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 49. East wind 8 to 13 mph.
Monday
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 70.
Monday Night
A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers before 8am. Mostly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 64.
Thursday Night
Showers likely. Cloudy, with a low around 50. Chance of precipitation is 60%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 63.
Click Map For Forecast
Point Forecast:
East Islip NY
 40.73°N 73.19°W (Elev. 16 ft)
7:34 pm EDT Apr 28, 2017
10pm EDT Apr 28, 2017-6pm EDT May 5, 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