Severe Weather and Heavy Rain Shifts Into East

A strong and organized storm system will progress from the Ohio and Tennessee Valleys into the East. Expect severe weather with damaging winds across the Mid-Atlantic and Southeast, while the excessive rain risk moves from the Ohio Valley into the Northeast. Also, heat builds in parts of Texas and a cold storm system will carve into the northern Rockies for possible higher elevation snowfall. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fog

70°F

21°C

Humidity 100%
Wind Speed S 10 mph
Barometer 29.59 in (1002.1 mb)
Dewpoint 70°F (21°C)
Visibility 0.25 mi
Last update 20 Jun 12:56 pm EDT
Extended Forecast for

West Sayville NY

  • This
    Afternoon

    This Afternoon: A 40 percent chance of showers.  Areas of fog before 4pm.  Otherwise, mostly cloudy, with a high near 74. South wind around 8 mph.

    Chance
    Showers and
    Areas Fog

    High: 74 °F

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am.  Patchy fog after 9pm.  Otherwise, cloudy, with a low around 67. Southwest wind 6 to 8 mph.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely and
    Patchy Fog

    Low: 67 °F

  • Friday

    Friday: A 50 percent chance of showers, mainly before noon.  Partly sunny, with a high near 77. Northwest wind 11 to 17 mph.

    Chance
    Showers then
    Slight Chance
    Showers

    High: 77 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 59. Northwest wind 9 to 11 mph.

    Partly Cloudy

    Low: 59 °F

  • Saturday

    Saturday: Sunny, with a high near 81. Northwest wind 13 to 17 mph.

    Sunny

    High: 81 °F

  • Saturday
    Night

    Saturday Night: Mostly clear, with a low around 61.

    Mostly Clear

    Low: 61 °F

  • Sunday

    Sunday: Sunny, with a high near 83.

    Sunny

    High: 83 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 65.

    Mostly Clear

    Low: 65 °F

  • Monday

    Monday: Partly sunny, with a high near 78.

    Partly Sunny

    High: 78 °F

Detailed Forecast

This Afternoon
A 40 percent chance of showers. Areas of fog before 4pm. Otherwise, mostly cloudy, with a high near 74. South wind around 8 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Patchy fog after 9pm. Otherwise, cloudy, with a low around 67. Southwest wind 6 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A 50 percent chance of showers, mainly before noon. Partly sunny, with a high near 77. Northwest wind 11 to 17 mph.
Friday Night
Partly cloudy, with a low around 59. Northwest wind 9 to 11 mph.
Saturday
Sunny, with a high near 81. Northwest wind 13 to 17 mph.
Saturday Night
Mostly clear, with a low around 61.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 65.
Monday
Partly sunny, with a high near 78.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 67.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 78.
Tuesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 79.
Click Map For Forecast
Point Forecast:
West Sayville NY
 40.74°N 73.1°W (Elev. 30 ft)
12:16 pm EDT Jun 20, 2019
1pm EDT Jun 20, 2019-6pm EDT Jun 26, 2019
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database