Hazardous Weather Conditions
Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
57°F
14°C
| Humidity | 47% |
| Wind Speed | N 0 MPH |
| Barometer | 30.08 in (1018.63 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 06 Dec 09:35 AM PST |
Extended Forecast for
Ontario CA
Today
High: 72 °F
Sunny
Tonight
Low: 48 °F
Mostly Clear
Sunday
High: 76 °F
Sunny
Sunday Night
Low: 50 °F
Clear
Monday
High: 79 °F
Sunny
Monday Night
Low: 52 °F
Clear
Tuesday
High: 81 °F
Sunny
Tuesday Night
Low: 54 °F
Clear
Wednesday
High: 81 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 72. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 48. West wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Clear, with a low around 50. West wind around 5 mph becoming calm.
Monday
Sunny, with a high near 79. Calm wind becoming west around 5 mph.
Monday Night
Clear, with a low around 52.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Clear, with a low around 54.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Clear, with a low around 53.
Thursday
Sunny, with a high near 78.
Thursday Night
Mostly clear, with a low around 53.
Friday
Sunny, with a high near 79.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Ontario CA
34.05°N 117.64°W (Elev. 919 ft)
34.05°N 117.64°W (Elev. 919 ft)
1:09 am PST Dec 6, 2025
9am PST Dec 6, 2025-6pm PST Dec 12, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
