Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
77°F
25°C
| Humidity | 17% |
| Wind Speed | N 0 MPH |
| Barometer | 30.14 in (1020.66 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Heat Index | 77°F (25°C) |
| Last update | 22 Feb 04:00 PM PST |
Extended Forecast for
Ontario International Arpt CA
Tonight
Low: 48 °F
Mostly Clear
Monday
High: 80 °F
Mostly Sunny
Monday Night
Low: 52 °F
Mostly Clear
Tuesday
High: 80 °F
Sunny
Tuesday Night
Low: 55 °F
Partly Cloudy
Wednesday
High: 80 °F
Mostly Sunny
Wednesday Night
Low: 56 °F
Partly Cloudy
Thursday
High: 83 °F
Mostly Sunny
Thursday Night
Low: 57 °F
Mostly Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 48. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 80. Calm wind becoming southwest around 5 mph.
Monday Night
Mostly clear, with a low around 52. West wind around 5 mph becoming calm in the evening.
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
Mostly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 84.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 82.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 78.
Additional Forecasts and Information
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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)
11:55 am PST Feb 22, 2026
4pm PST Feb 22, 2026-6pm PST Mar 1, 2026
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