Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
45°F
7°C
| Humidity | 65% |
| Wind Speed | N 0 MPH |
| Barometer | 30.17 in (1021.67 mb) |
| Dewpoint | 34°F (1°C) |
| Visibility | 10.00 mi |
| Last update | 21 Feb 08:05 AM PST |
Extended Forecast for
Ontario CA
Today
High: 68 °F
Sunny
Tonight
Low: 45 °F
Partly Cloudy
Sunday
High: 75 °F
Sunny
Sunday Night
Low: 49 °F
Partly Cloudy
Monday
High: 80 °F
Mostly Sunny
Monday Night
Low: 53 °F
Partly Cloudy
Tuesday
High: 78 °F
Mostly Sunny
Tuesday Night
Low: 55 °F
Partly Cloudy
Wednesday
High: 78 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 68. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Partly cloudy, with a low around 45. South wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 75. Northeast wind around 5 mph becoming calm.
Sunday Night
Partly cloudy, with a low around 49. Northwest wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 80. Northeast wind around 5 mph becoming calm.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 85.
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)
1:27 am PST Feb 21, 2026
8am PST Feb 21, 2026-6pm PST Feb 27, 2026
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