Marine and Coastal Impacts from Imelda; Unsettled Weather in the West

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine conditions and rip currents to much of the East Coast over the next several days. A series of Pacific frontal systems will bring waves of showers and thunderstorms to portions of northern California and the Pacific Northwest through midweek. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

65°F

18°C

Humidity 84%
Wind Speed SW 3 mph
Barometer 30.12 in (1019.8 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 30 Sep 2:56 am EDT
Extended Forecast for

Setauket-East Setauket NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 79. Northeast wind 6 to 8 mph.

    High: 79 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming clear, with a low around 55. Northeast wind 10 to 16 mph.

    Low: 55 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Sunny, with a high near 68. North wind 14 to 16 mph.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. Northeast wind around 14 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 63. Calm wind.
Tuesday
Mostly cloudy, with a high near 79. Northeast wind 6 to 8 mph.
Tuesday Night
Mostly cloudy, then gradually becoming clear, with a low around 55. Northeast wind 10 to 16 mph.
Wednesday
Sunny, with a high near 68. North wind 14 to 16 mph.
Wednesday Night
Mostly clear, with a low around 51. Northeast wind around 14 mph.
Thursday
Sunny, with a high near 65.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 61.
Monday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Setauket-East Setauket NY
 40.94°N 73.11°W (Elev. 52 ft)
2:04 am EDT Sep 30, 2025
3am EDT Sep 30, 2025-6pm EDT Oct 6, 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