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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
West Sayville NY
Tonight
Low: 41 °F
Clear
Monday
High: 62 °F
Sunny
Monday Night
Low: 44 °F
Increasing
CloudsTuesday
High: 64 °F
Mostly Cloudy
Tuesday Night
Low: 45 °F
Partly Cloudy
Wednesday
High: 60 °F
Mostly Sunny
Wednesday Night
Low: 45 °F
Mostly Cloudy
Thursday
High: 63 °F
Mostly Sunny
Thursday Night
Low: 47 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 41. Northeast wind 3 to 6 mph.
Monday
Sunny, with a high near 62. Northeast wind 9 to 14 mph.
Monday Night
Increasing clouds, with a low around 44. North wind 9 to 14 mph, with gusts as high as 25 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 45. Northeast wind 13 to 17 mph, with gusts as high as 31 mph.
Wednesday
Mostly sunny, with a high near 60.
Wednesday Night
Mostly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 63.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 59.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Mostly sunny, with a high near 60.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
West Sayville NY
40.74°N 73.1°W (Elev. 30 ft)
40.74°N 73.1°W (Elev. 30 ft)
6:12 pm EDT Oct 18, 2026
6pm EDT Oct 18, 2026-6pm EDT Oct 25, 2026
Additional Resources
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