Hazardous Weather Conditions
Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
70°F
21°C
| Humidity | 30% |
| Wind Speed | N 0 MPH |
| Barometer | 30.04 in (1017.27 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 28 Nov 11:20 AM PST |
Extended Forecast for
Ontario CA
Today
High: 73 °F
Sunny
Tonight
Low: 48 °F
Mostly Clear
Saturday
High: 72 °F
Mostly Sunny
Saturday Night
Low: 48 °F
Patchy Fog
Sunday
High: 69 °F
Patchy Fog
then SunnySunday Night
Low: 48 °F
Mostly Clear
Monday
High: 71 °F
Sunny
Monday Night
Low: 48 °F
Mostly Clear
Tuesday
High: 69 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 73. Light southwest wind increasing to 5 to 10 mph in the afternoon.
Tonight
Mostly clear, with a low around 48. West wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.
Saturday Night
Patchy fog after 10pm. Otherwise, mostly clear, with a low around 48. West wind around 5 mph becoming calm after midnight.
Sunday
Patchy fog before 10am. Otherwise, sunny, with a high near 69. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 69.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
A slight chance of showers. Partly sunny, with a high near 64.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 66.
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)
2:28 am PST Nov 28, 2025
11am PST Nov 28, 2025-6pm PST Dec 4, 2025
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