Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Partly Cloudy
68°F
20°C
| Humidity | 65% |
| Wind Speed | W 4 MPH |
| Barometer | 29.92 in (1013.21 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 22 Mar 12:53 AM PDT |
Extended Forecast for
Ontario International Arpt CA
Overnight
Low: 62 °F
Partly Cloudy
Sunday
High: 88 °F
Mostly Sunny
Sunday Night
Low: 61 °F
Mostly Clear
Monday
High: 89 °F
Sunny
Monday Night
Low: 62 °F
Clear
Tuesday
High: 91 °F
Sunny
Tuesday Night
Low: 62 °F
Clear
Wednesday
High: 91 °F
Sunny
Wednesday Night
Low: 60 °F
Clear
Detailed Forecast
Overnight
Partly cloudy, with a low around 62. Calm wind.
Sunday
Mostly sunny, with a high near 88. Light south wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 61. West wind 5 to 10 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 89. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Clear, with a low around 62. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Clear, with a low around 62.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Clear, with a low around 60.
Thursday
Sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Partly sunny, with a high near 92.
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)
1:03 am PDT Mar 22, 2026
1am PDT Mar 22, 2026-6pm PDT Mar 28, 2026
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