Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
82°F
28°C
| Humidity | 42% |
| Wind Speed | SW 8 MPH |
| Barometer | 30.0 in (1015.92 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 23 Jun 01:05 PM PDT |
Extended Forecast for
Ontario CA
This Afternoon

High: 90 °F
Mostly Sunny
Tonight

Low: 63 °F
Mostly Clear
Wednesday

High: 90 °F
Sunny
Wednesday Night

Low: 62 °F
Mostly Clear
Thursday

High: 86 °F
Sunny
Thursday Night

Low: 59 °F
Mostly Clear
Friday

High: 84 °F
Sunny
Friday Night

Low: 58 °F
Mostly Clear
Saturday

High: 79 °F
Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 90. West wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 63. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 90. Light west wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 62. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 25 mph.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 57.
Monday
Mostly sunny, with a high near 79.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Ontario CA
34.05°N 117.61°W (Elev. 902 ft)
34.05°N 117.61°W (Elev. 902 ft)
12:04 pm PDT Jun 23, 2026
1pm PDT Jun 23, 2026-6pm PDT Jun 29, 2026


