Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
55°F
13°C
| Humidity | 71% |
| Wind Speed | N 0 MPH |
| Barometer | 30.02 in (1016.59 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 25 Feb 03:35 AM PST |
Extended Forecast for
Ontario International Arpt CA
Overnight

Low: 54 °F
Partly Cloudy
Wednesday

High: 80 °F
Mostly Sunny
Wednesday Night

Low: 56 °F
Mostly Clear
Thursday

High: 84 °F
Sunny
Thursday Night

Low: 59 °F
Mostly Clear
Friday

High: 90 °F
Sunny
Friday Night

Low: 59 °F
Partly Cloudy
Saturday

High: 84 °F
Mostly Sunny
Saturday Night

Low: 56 °F
Mostly Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 54. Calm wind.
Wednesday
Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 56. West wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 90.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Sunny, with a high near 75.
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)
12:40 am PST Feb 25, 2026
3am PST Feb 25, 2026-6pm PST Mar 3, 2026


