Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Partly Cloudy
58°F
14°C
| Humidity | 53% |
| Wind Speed | N 0 MPH |
| Barometer | 30.09 in (1018.96 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Last update | 24 Feb 12:53 AM PST |
Extended Forecast for
Ontario International Arpt CA
Overnight
Low: 54 °F
Mostly Clear
Tuesday
High: 80 °F
Sunny
Tuesday Night
Low: 55 °F
Partly Cloudy
Wednesday
High: 80 °F
Sunny
Wednesday Night
Low: 56 °F
Partly Cloudy
Thursday
High: 83 °F
Mostly Sunny
Thursday Night
Low: 58 °F
Partly Cloudy
Friday
High: 86 °F
Mostly Sunny
Friday Night
Low: 59 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a low around 54. East wind around 5 mph.
Tuesday
Sunny, with a high near 80. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 55. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 80. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 56. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 86.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 57.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Partly sunny, with a high near 78.
Additional Forecasts and Information
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Point Forecast:
Ontario International Arpt CA
34.05°N 117.61°W (Elev. 902 ft)
34.05°N 117.61°W (Elev. 902 ft)
12:12 pm PST Feb 23, 2026
1am PST Feb 24, 2026-6pm PST Mar 2, 2026
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