Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
88°F
31°C
| Humidity | 31% |
| Wind Speed | W 5 MPH |
| Barometer | 30.02 in (1016.59 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Heat Index | 86°F (30°C) |
| Last update | 17 Aug 11:20 AM PDT |
Extended Forecast for
Ontario CA
Today
High: 95 °F
Sunny
Tonight
Low: 68 °F
Mostly Clear
Tuesday
High: 96 °F
Sunny
Tuesday Night
Low: 69 °F
Mostly Clear
Wednesday
High: 97 °F
Sunny
Wednesday Night
Low: 70 °F
Mostly Clear
Thursday
High: 99 °F
Sunny
Thursday Night
Low: 70 °F
Mostly Clear
Friday
High: 98 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 95. West wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 68. West wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 96. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly clear, with a low around 69. West wind 5 to 10 mph becoming light southwest in the evening.
Wednesday
Sunny, with a high near 97. Light west wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 70.
Thursday
Sunny, with a high near 99.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 98.
Friday Night
Mostly clear, with a low around 70.
Saturday
Sunny, with a high near 97.
Saturday Night
Mostly clear, with a low around 70.
Sunday
Sunny, with a high near 97.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Ontario CA
34.05°N 117.61°W (Elev. 902 ft)
34.05°N 117.61°W (Elev. 902 ft)
1:53 am PDT Aug 17, 2026
11am PDT Aug 17, 2026-6pm PDT Aug 23, 2026
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