Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
55°F
13°C
| Humidity | 66% |
| Wind Speed | N 0 MPH |
| Barometer | 30.03 in (1016.93 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Last update | 25 Feb 06:35 AM PST |
Extended Forecast for
Ontario CA
Today
High: 80 °F
Mostly Sunny
Tonight
Low: 56 °F
Mostly Clear
Thursday
High: 85 °F
Sunny
Thursday Night
Low: 59 °F
Mostly Clear
Friday
High: 90 °F
Sunny
Friday Night
Low: 60 °F
Partly Cloudy
Saturday
High: 84 °F
Mostly Sunny
Saturday Night
Low: 56 °F
Mostly Clear
Sunday
High: 78 °F
Mostly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 80. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 56. West wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 90. Calm wind.
Friday Night
Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 53.
Monday
Sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Sunny, with a high near 75.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Ontario CA
34.03°N 117.61°W (Elev. 823 ft)
34.03°N 117.61°W (Elev. 823 ft)
12:40 am PST Feb 25, 2026
6am PST Feb 25, 2026-6pm PST Mar 3, 2026
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