Unsettled Weather in the West; Marine and Coastal Impacts Along the East Coast

A series of Pacific fronts will bring periodic waves of showers and thunderstorms to parts of the Great Basin and Pacific Northwest the next few days. Swells, high surf, dangerous rip currents and areas of coastal flooding continue along much of the East Coast from both Humberto and Imelda. Unseasonably hot temperatures continue for much of the Plains and Midwest through the remainder of the week. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

59°F

15°C

Humidity 54%
Wind Speed N 5 mph
Barometer 30.22 in (1023.3 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 1 Oct 7:56 pm EDT
Extended Forecast for

Sayville NY

  • Tonight

    Tonight: Clear, with a low around 49. Northeast wind 8 to 10 mph.

    Low: 49 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65. Northeast wind 9 to 13 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. East wind around 5 mph becoming calm  in the evening.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 68. Calm wind becoming southwest 5 to 9 mph in the morning.

    High: 68 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 54. Southwest wind around 7 mph.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Sunday Night

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

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 49. Northeast wind 8 to 10 mph.
Thursday
Sunny, with a high near 65. Northeast wind 9 to 13 mph.
Thursday Night
Partly cloudy, with a low around 49. East wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 68. Calm wind becoming southwest 5 to 9 mph in the morning.
Friday Night
Mostly clear, with a low around 54. Southwest wind around 7 mph.
Saturday
Sunny, with a high near 74.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 74.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 62.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
Sayville NY
 40.73°N 73.07°W (Elev. 16 ft)
6:44 pm EDT Oct 1, 2025
8pm EDT Oct 1, 2025-6pm EDT Oct 8, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database