Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Partly Cloudy
89°F
32°C
| Humidity | 34% |
| Wind Speed | W 9 MPH |
| Barometer | 29.99 in (1015.58 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Heat Index | 88°F (31°C) |
| Last update | 18 Jul 11:53 AM PDT |
Extended Forecast for
Ontario International Arpt CA
This Afternoon
High: 91 °F
Sunny
Tonight
Low: 66 °F
Mostly Clear
Sunday
High: 92 °F
Sunny
Sunday Night
Low: 66 °F
Mostly Clear
Monday
High: 92 °F
Sunny
Monday Night
Low: 66 °F
Mostly Clear
Tuesday
High: 92 °F
Sunny
Tuesday Night
Low: 68 °F
Mostly Clear
Wednesday
High: 97 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 91. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 66. West wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 92. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Sunday Night
Mostly clear, with a low around 66. Southwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Monday
Sunny, with a high near 92. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 97.
Wednesday Night
Mostly clear, with a low around 69.
Thursday
Sunny, with a high near 99.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 96.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Ontario International Arpt CA
34.05°N 117.61°W (Elev. 902 ft)
34.05°N 117.61°W (Elev. 902 ft)
12:23 am PDT Jul 18, 2026
12pm PDT Jul 18, 2026-6pm PDT Jul 24, 2026
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