Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Light Drizzle Fog/Mist
59°F
15°C
| Humidity | 96% |
| Wind Speed | N 10 mph |
| Barometer | 29.86 in (1011.2 mb) |
| Dewpoint | 58°F (14°C) |
| Visibility | 1.50 mi |
| Last update | 28 Sep 6:56 pm EDT |
Extended Forecast for
Commack NY
Tonight
Low: 56 °F
Mostly Cloudy
Tuesday
High: 70 °F
Mostly Sunny
Tuesday Night
Low: 57 °F
Partly Cloudy
Wednesday
High: 73 °F
Mostly Sunny
Wednesday Night
Low: 61 °F
Partly Cloudy
Thursday
High: 75 °F
Mostly Sunny
Thursday Night
Low: 65 °F
Partly Cloudy
Friday
High: 78 °F
Mostly Sunny
Friday Night
Low: 61 °F
Chance
Showers
Detailed Forecast
Tonight
Mostly cloudy, with a low around 56. Northwest wind 5 to 8 mph.
Tuesday
Mostly sunny, with a high near 70. Northwest wind 5 to 7 mph.
Tuesday Night
Partly cloudy, with a low around 57. Light north wind.
Wednesday
Mostly sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 61. Southwest wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 78.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Saturday
Partly sunny, with a high near 67.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 66.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Monday
Partly sunny, with a high near 66.
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)
3:09 pm EDT Sep 28, 2026
7pm EDT Sep 28, 2026-6pm EDT Oct 5, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
