Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
50°F
10°C
| Humidity | 46% |
| Wind Speed | NE 3 MPH |
| Barometer | 30.24 in (1024.04 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 26 Jan 01:20 AM PST |
Extended Forecast for
Ontario International Arpt CA
Overnight
Low: 44 °F
Mostly Cloudy
Monday
High: 71 °F
Becoming
SunnyMonday Night
Low: 42 °F
Clear
Tuesday
High: 72 °F
Sunny
Tuesday Night
Low: 45 °F
Partly Cloudy
Wednesday
High: 71 °F
Partly Sunny
Wednesday Night
Low: 45 °F
Partly Cloudy
Thursday
High: 75 °F
Sunny
Thursday Night
Low: 48 °F
Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 44. East wind around 5 mph becoming calm.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 71. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Clear, with a low around 42. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 72. Calm wind becoming southwest around 5 mph.
Tuesday Night
Partly cloudy, with a low around 45. West wind around 5 mph becoming calm.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Sunny, with a high near 75.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 77.
Additional Forecasts and Information
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Point Forecast:
Ontario International Arpt CA
34.06°N 117.58°W (Elev. 906 ft)
34.06°N 117.58°W (Elev. 906 ft)
12:03 am PST Jan 26, 2026
1am PST Jan 26, 2026-6pm PST Feb 1, 2026
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