Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
60°F
16°C
| Humidity | 84% |
| Wind Speed | W 9 mph |
| Barometer | 29.96 in (1014.6 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 5 Oct 8:56 am EDT |
Extended Forecast for
Ronkonkoma NY
Today

High: 72 °F
Mostly Sunny
Tonight

Low: 45 °F
Mostly Clear
Tuesday

High: 64 °F
Sunny
Tuesday Night

Low: 42 °F
Clear
Wednesday

High: 65 °F
Sunny
Wednesday Night

Low: 57 °F
Mostly Clear
Thursday

High: 71 °F
Sunny
Thursday Night

Low: 56 °F
Mostly Clear
Friday

High: 69 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 72. Northwest wind 8 to 18 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 45. Northwest wind around 11 mph, with gusts as high as 26 mph.
Tuesday
Sunny, with a high near 64. Northwest wind 9 to 15 mph.
Tuesday Night
Clear, with a low around 42. Northwest wind around 6 mph becoming calm after midnight.
Wednesday
Sunny, with a high near 65. Light southwest wind increasing to 10 to 15 mph in the morning.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 71.
Thursday Night
Mostly clear, with a low around 56.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 65.
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)
9:10 am EDT Oct 5, 2026
9am EDT Oct 5, 2026-6pm EDT Oct 11, 2026


