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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
53°F
12°C
| Humidity | 48% |
| Wind Speed | E 3 mph |
| Barometer | 30.54 in (1034.1 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Last update | 18 Oct 5:56 pm EDT |
Extended Forecast for
Central Islip NY
Tonight

Low: 42 °F
Clear
Monday

High: 62 °F
Sunny
Monday Night

Low: 45 °F
Mostly Cloudy
Tuesday

High: 64 °F
Mostly Cloudy
Tuesday Night

Low: 46 °F
Partly Cloudy
Wednesday

High: 60 °F
Mostly Sunny
Wednesday Night

Low: 43 °F
Partly Cloudy
Thursday

High: 63 °F
Mostly Sunny
Thursday Night

Low: 46 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 42. Northeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 62. Northeast wind 8 to 11 mph.
Monday Night
Mostly cloudy, with a low around 45. North wind 8 to 13 mph, with gusts as high as 24 mph.
Tuesday
Mostly cloudy, with a high near 64. North wind around 16 mph, with gusts as high as 28 mph.
Tuesday Night
Partly cloudy, with a low around 46. Northeast wind 11 to 15 mph, with gusts as high as 28 mph.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 42.
Sunday
Mostly sunny, with a high near 61.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Central Islip NY
40.79°N 73.2°W (Elev. 98 ft)
40.79°N 73.2°W (Elev. 98 ft)
6:12 pm EDT Oct 18, 2026
6pm EDT Oct 18, 2026-6pm EDT Oct 25, 2026


