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.

Overcast

70°F

21°C

Humidity 64%
Wind Speed Calm
Barometer 30.18 in (1021.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 29 Sep 7:56 pm EDT
Extended Forecast for

Ronkonkoma NY

  • Tonight

    Tonight: Cloudy, with a low around 62. Calm wind.

    Low: 62 °F

    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 82. Northeast wind 6 to 10 mph.

    High: 82 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 54. Northeast wind 10 to 15 mph.

    Low: 54 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 68. North wind 15 to 17 mph.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 50. Northeast wind around 13 mph.

    Low: 50 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Tonight
Cloudy, with a low around 62. Calm wind.
Tuesday
Partly sunny, with a high near 82. Northeast wind 6 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 54. Northeast wind 10 to 15 mph.
Wednesday
Sunny, with a high near 68. North wind 15 to 17 mph.
Wednesday Night
Clear, with a low around 50. Northeast wind around 13 mph.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 55.
Saturday
Sunny, with a high near 76.
Saturday Night
Clear, with a low around 58.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 78.
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ABOUT THIS FORECAST

 
Point Forecast:
Ronkonkoma NY
 40.81°N 73.11°W (Elev. 98 ft)
1:36 pm EDT Sep 29, 2025
8pm EDT Sep 29, 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