Hazardous Weather Conditions
Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
100°F
38°C
| Humidity | 27% |
| Wind Speed | WSW 10 MPH |
| Barometer | 29.88 in (1011.85 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Heat Index | 101°F (38°C) |
| Last update | 10 Sep 02:05 PM PDT |
Extended Forecast for
Ontario CA
Extreme Heat Warning September 10, 02:17pm until September 10, 08:00pm
NOW until 8:00pm Thu
Extreme Heat Warning
This Afternoon
High: 106 °F
Sunny
Tonight
Low: 73 °F
Clear
Friday
High: 98 °F
Sunny
Friday Night
Low: 69 °F
Mostly Clear
Saturday
High: 92 °F
Sunny
Saturday Night
Low: 65 °F
Mostly Clear
Sunday
High: 89 °F
Sunny
Sunday Night
Low: 65 °F
Clear
Detailed Forecast
This Afternoon
Sunny, with a high near 106. West wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Clear, with a low around 73. West wind 5 to 10 mph becoming light after midnight.
Friday
Sunny, with a high near 98. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 69. West wind 5 to 10 mph.
Saturday
Sunny, with a high near 92. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 89.
Sunday Night
Clear, with a low around 65.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 87.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Ontario CA
34.03°N 117.58°W (Elev. 853 ft)
34.03°N 117.58°W (Elev. 853 ft)
11:17 am PDT Sep 10, 2026
2pm PDT Sep 10, 2026-6pm PDT Sep 16, 2026
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