Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Partly Cloudy
46°F
8°C
| Humidity | 71% |
| Wind Speed | Calm |
| Barometer | 30.52 in (1033.7 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 24 Oct 7:56 pm EDT |
Extended Forecast for
Commack NY
Tonight
Low: 40 °F
Clear
Sunday
High: 63 °F
Sunny
Sunday Night
Low: 42 °F
Clear
Monday
High: 66 °F
Sunny
Monday Night
Low: 48 °F
Clear
Tuesday
High: 57 °F
Sunny
Tuesday Night
Low: 42 °F
Mostly Clear
Wednesday
High: 57 °F
Mostly Sunny
Wednesday Night
Low: 46 °F
Partly Cloudy
Detailed Forecast
Tonight
Clear, with a low around 40. Calm wind.
Sunday
Sunny, with a high near 63. Light north wind.
Sunday Night
Clear, with a low around 42. West wind 3 to 5 mph.
Monday
Sunny, with a high near 66. West wind 5 to 8 mph.
Monday Night
Clear, with a low around 48. West wind 5 to 9 mph becoming north after midnight.
Tuesday
Sunny, with a high near 57.
Tuesday Night
Mostly clear, with a low around 42.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 51.
Saturday
Mostly sunny, with a high near 65.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Commack NY
40.85°N 73.28°W (Elev. 144 ft)
40.85°N 73.28°W (Elev. 144 ft)
2:23 pm EDT Oct 24, 2026
8pm EDT Oct 24, 2026-6pm EDT Oct 31, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
