



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
Low: 62 °F
Cloudy
Tuesday
High: 82 °F
Partly Sunny
Tuesday Night
Low: 54 °F
Partly Cloudy
Wednesday
High: 68 °F
Sunny
Wednesday Night
Low: 50 °F
Clear
Thursday
High: 66 °F
Sunny
Thursday Night
Low: 51 °F
Mostly Clear
Friday
High: 71 °F
Sunny
Friday Night
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.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Ronkonkoma NY
40.81°N 73.11°W (Elev. 98 ft)
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