Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
61°F
16°C
| Humidity | 31% |
| Wind Speed | N 0 MPH |
| Barometer | 30.2 in (1022.69 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 25 Jan 06:35 PM PST |
Extended Forecast for
Ontario International Arpt CA
Tonight

Low: 45 °F
Mostly Cloudy
Monday

High: 70 °F
Becoming
SunnyMonday Night

Low: 42 °F
Clear
Tuesday

High: 72 °F
Sunny
Tuesday Night

Low: 44 °F
Mostly Clear
Wednesday

High: 71 °F
Mostly Cloudy
Wednesday Night

Low: 46 °F
Mostly Cloudy
Thursday

High: 75 °F
Sunny
Thursday Night

Low: 48 °F
Clear
Detailed Forecast
Tonight
Mostly cloudy, with a low around 45. West wind around 5 mph becoming calm.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 70. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Clear, with a low around 42. Calm wind.
Tuesday
Sunny, with a high near 72. Calm wind becoming east around 5 mph.
Tuesday Night
Mostly clear, with a low around 44. Northeast wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 71.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Sunny, with a high near 75.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 49.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Partly sunny, with a high near 77.
Additional Forecasts and Information
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ABOUT 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)
12:07 pm PST Jan 25, 2026
6pm PST Jan 25, 2026-6pm PST Feb 1, 2026


