Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
68°F
20°C
| Humidity | 56% |
| Wind Speed | N 0 MPH |
| Barometer | 29.96 in (1014.56 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 28 Mar 11:35 PM PDT |
Extended Forecast for
Ontario CA
Tonight
Low: 63 °F
Partly Cloudy
Sunday
High: 91 °F
Sunny
Sunday Night
Low: 59 °F
Mostly Clear
Monday
High: 82 °F
Partly Sunny
Monday Night
Low: 57 °F
Mostly Cloudy
Tuesday
High: 78 °F
Mostly Cloudy
Tuesday Night
Low: 57 °F
Mostly Cloudy
Wednesday
High: 75 °F
Partly Sunny
Wednesday Night
Low: 54 °F
Partly Cloudy
Detailed Forecast
Tonight
Partly cloudy, with a low around 63. Calm wind.
Sunday
Sunny, with a high near 91. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 59. West wind 5 to 10 mph becoming light southwest after midnight.
Monday
Partly sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 57. West wind 5 to 10 mph.
Tuesday
Mostly cloudy, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 57.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 74.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 78.
Friday Night
Mostly clear, with a low around 54.
Saturday
Sunny, with a high near 84.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Ontario CA
34.05°N 117.64°W (Elev. 919 ft)
34.05°N 117.64°W (Elev. 919 ft)
12:13 pm PDT Mar 28, 2026
11pm PDT Mar 28, 2026-6pm PDT Apr 4, 2026
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