Hazardous Weather Conditions
Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
79°F
26°C
| Humidity | 50% |
| Wind Speed | ENE 3 MPH |
| Barometer | 29.99 in (1015.58 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 22 Aug 07:53 AM PDT |
Extended Forecast for
Ontario International Arpt CA
Heat Advisory August 22, 10:00am until August 24, 08:00pm
Today
High: 101 °F
Sunny
Tonight
Low: 72 °F
Clear
Sunday
High: 102 °F
Sunny
Sunday Night
Low: 73 °F
Mostly Clear
Monday
High: 101 °F
Sunny
Monday Night
Low: 73 °F
Clear
Tuesday
High: 103 °F
Sunny
Tuesday Night
Low: 74 °F
Clear
Wednesday
High: 103 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 101. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tonight
Clear, with a low around 72. West wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Sunny, with a high near 102. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 73. West wind 5 to 10 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 101. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Clear, with a low around 73.
Tuesday
Sunny, with a high near 103.
Tuesday Night
Clear, with a low around 74.
Wednesday
Sunny, with a high near 103.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny, with a high near 103.
Thursday Night
Partly cloudy, with a low around 74.
Friday
Mostly sunny, with a high near 104.
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)
11:45 pm PDT Aug 21, 2026
8am PDT Aug 22, 2026-6pm PDT Aug 28, 2026
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