Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
55°F
13°C
| Humidity | 87% |
| Wind Speed | WSW 5 MPH |
| Barometer | 29.97 in (1014.9 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 9.00 mi |
| Last update | 02 Dec 07:20 PM PST |
Extended Forecast for
Ontario International Arpt CA
Tonight
Low: 46 °F
Mostly Cloudy
Wednesday
High: 67 °F
Gradual
ClearingWednesday Night
Low: 45 °F
Mostly Clear
Thursday
High: 69 °F
Sunny
Thursday Night
Low: 44 °F
Mostly Clear
Friday
High: 71 °F
Sunny
Friday Night
Low: 46 °F
Clear
Saturday
High: 71 °F
Sunny
Saturday Night
Low: 47 °F
Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 46. Southwest wind 5 to 10 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 67. Light and variable wind becoming northeast 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 45. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 69. Light north wind becoming northeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 44. Southeast wind around 5 mph becoming calm.
Friday
Sunny, with a high near 71.
Friday Night
Clear, with a low around 46.
Saturday
Sunny, with a high near 71.
Saturday Night
Clear, with a low around 47.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 52.
Tuesday
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 International Arpt CA
34.06°N 117.58°W (Elev. 906 ft)
34.06°N 117.58°W (Elev. 906 ft)
1:02 pm PST Dec 2, 2025
7pm PST Dec 2, 2025-6pm PST Dec 9, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
