Cool and dry for much of the Central Plains and Rockies. Showers over the Great Lakes and Ohio Valley.

Unsettled weather conditions are likely across portions of the Great Lakes and Ohio Valley, with scattered to numerous showers. Expect cool and mostly dry conditions across much of the central U.S. and extending westward towards the Rocky Mountains. A few showers will be possible over the Pacific Northwest. Showers will also be possible over mountainous areas of Arizona and New Mexico. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

71°F

22°C

Humidity 71%
Wind Speed Calm
Barometer 29.91 in (1012.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 27 Sep 12:56 pm EDT
Extended Forecast for

Sayville NY

  • This
    Afternoon

    This Afternoon: Partly sunny, with a high near 70. Southwest wind around 10 mph.

    Partly Sunny

    High: 70 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. Southwest wind 5 to 8 mph becoming calm  after midnight.

    Mostly Cloudy

    Low: 63 °F

  • Wednesday

    Wednesday: A chance of drizzle or light rain, mainly after noon.  Mostly cloudy, with a high near 69. Northeast wind 10 to 16 mph.  Chance of precipitation is 30%.

    Chance Light
    Rain

    High: 69 °F

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of rain.  Cloudy, with a low around 59. Northeast wind around 16 mph.

    Chance Rain

    Low: 59 °F

  • Thursday

    Thursday: Rain likely, mainly after noon.  Cloudy, with a high near 67. Breezy, with an east wind 18 to 20 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Rain Likely
    and Breezy

    High: 67 °F

  • Thursday
    Night

    Thursday Night: Rain likely.  Cloudy, with a low around 60. Breezy.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Rain Likely
    and Breezy

    Low: 60 °F

  • Friday

    Friday: A 50 percent chance of showers.  Cloudy, with a high near 69.

    Chance
    Showers

    High: 69 °F

  • Friday
    Night

    Friday Night: A 50 percent chance of showers.  Cloudy, with a low around 61.

    Chance
    Showers

    Low: 61 °F

  • Saturday

    Saturday: A 50 percent chance of showers.  Mostly cloudy, with a high near 71.

    Chance
    Showers

    High: 71 °F

Detailed Forecast

This Afternoon
Partly sunny, with a high near 70. Southwest wind around 10 mph.
Tonight
Mostly cloudy, with a low around 63. Southwest wind 5 to 8 mph becoming calm after midnight.
Wednesday
A chance of drizzle or light rain, mainly after noon. Mostly cloudy, with a high near 69. Northeast wind 10 to 16 mph. Chance of precipitation is 30%.
Wednesday Night
A 40 percent chance of rain. Cloudy, with a low around 59. Northeast wind around 16 mph.
Thursday
Rain likely, mainly after noon. Cloudy, with a high near 67. Breezy, with an east wind 18 to 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain likely. Cloudy, with a low around 60. Breezy. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A 50 percent chance of showers. Cloudy, with a high near 69.
Friday Night
A 50 percent chance of showers. Cloudy, with a low around 61.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 71.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Sunday
Partly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly sunny, with a high near 70.
Click Map For Forecast
Point Forecast:
Sayville NY
 40.74°N 73.1°W (Elev. 30 ft)
11:40 am EDT Sep 27, 2016
1pm EDT Sep 27, 2016-6pm EDT Oct 3, 2016
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database