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Flood Threat Continues As Tropical Depression Cindy Moves Inland

Cindy will continue moving north-northeast at 12 mph, and will become post-tropical Friday. A cold front moving eastward will combine with the moisture from Cindy to produce heavy rains and the potential for flash flooding along a broad swath from the Gulf Coast into the Middle Atlantic. Flooding roads are dangerous, remember to "Turn Around, Don't Drown". Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

73°F

23°C

Humidity 94%
Wind Speed SW 6 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 71°F (22°C)
Visibility 8.00 mi
Last update 23 Jun 12:56 am EDT
Extended Forecast for

Sayville NY

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms.  Patchy fog after 4am.  Otherwise, mostly cloudy, with a low around 69. Southwest wind around 8 mph.

    Slight Chance
    T-storms and
    Patchy Fog

    Low: 69 °F

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rain.  Mostly cloudy, with a high near 78. Southwest wind 9 to 18 mph.

    Heavy Rain

    High: 78 °F

  • Friday
    Night

    Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Some of the storms could produce heavy rain.  Mostly cloudy, with a low around 70. Southwest wind around 15 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain

    Low: 70 °F

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rain.  Cloudy, then gradually becoming mostly sunny, with a high near 81. West wind 7 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Heavy Rain

    High: 81 °F

  • Saturday
    Night

    Saturday Night: A 30 percent chance of showers before 8pm.  Partly cloudy, with a low around 68. West wind 5 to 8 mph.

    Chance
    Showers then
    Mostly Clear

    Low: 68 °F

  • Sunday

    Sunday: Sunny, with a high near 78.

    Sunny

    High: 78 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 64.

    Mostly Clear

    Low: 64 °F

  • Monday

    Monday: Mostly sunny, with a high near 76.

    Mostly Sunny

    High: 76 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 63.

    Partly Cloudy

    Low: 63 °F

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 69. Southwest wind around 8 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 78. Southwest wind 9 to 18 mph.
Friday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Some of the storms could produce heavy rain. Mostly cloudy, with a low around 70. Southwest wind around 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Some of the storms could produce heavy rain. Cloudy, then gradually becoming mostly sunny, with a high near 81. West wind 7 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 68. West wind 5 to 8 mph.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 64.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
Mostly sunny, with a high near 78.
Click Map For Forecast
Point Forecast:
Sayville NY
 40.74°N 73.1°W (Elev. 30 ft)
9:40 pm EDT Jun 22, 2017
1am EDT Jun 23, 2017-6pm EDT Jun 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