Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Overcast
46°F
8°C
| Humidity | 79% |
| Wind Speed | S 4 MPH |
| Barometer | 30.02 in (1016.59 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 20 Feb 08:53 AM PST |
Extended Forecast for
Ontario CA
Today
High: 58 °F
Patchy Dense
Fog then
SunnyTonight
Low: 39 °F
Mostly Clear
Saturday
High: 67 °F
Sunny
Saturday Night
Low: 47 °F
Partly Cloudy
Sunday
High: 75 °F
Sunny
Sunday Night
Low: 50 °F
Mostly Clear
Monday
High: 79 °F
Mostly Sunny
Monday Night
Low: 53 °F
Partly Cloudy
Tuesday
High: 78 °F
Mostly Sunny
Detailed Forecast
Today
Patchy dense fog before 10am. Otherwise, sunny, with a high near 58. East wind around 5 mph becoming calm.
Tonight
Mostly clear, with a low around 39. Southwest wind around 5 mph becoming northeast after midnight.
Saturday
Sunny, with a high near 67. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 47. West wind around 5 mph becoming calm.
Sunday
Sunny, with a high near 75. Calm wind becoming southwest around 5 mph.
Sunday Night
Mostly clear, with a low around 50.
Monday
Mostly sunny, with a high near 79.
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 54.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 80.
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)
2:50 am PST Feb 20, 2026
9am PST Feb 20, 2026-6pm PST Feb 26, 2026
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