Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
48°F
9°C
| Humidity | 53% |
| Wind Speed | N 0 MPH |
| Barometer | 30.24 in (1024.04 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Last update | 26 Jan 03:35 AM PST |
Extended Forecast for
Ontario CA
Overnight
Low: 46 °F
Mostly Cloudy
Monday
High: 71 °F
Becoming
SunnyMonday Night
Low: 43 °F
Clear
Tuesday
High: 73 °F
Sunny
Tuesday Night
Low: 46 °F
Partly Cloudy
Wednesday
High: 72 °F
Partly Sunny
Wednesday Night
Low: 47 °F
Partly Cloudy
Thursday
High: 77 °F
Sunny
Thursday Night
Low: 49 °F
Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 46. Calm wind.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 71. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Clear, with a low around 43. Southwest wind around 5 mph becoming east after midnight.
Tuesday
Sunny, with a high near 73. Calm wind becoming southwest around 5 mph.
Tuesday Night
Partly cloudy, with a low around 46. West wind around 5 mph becoming calm.
Wednesday
Partly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 47.
Thursday
Sunny, with a high near 77.
Thursday Night
Clear, with a low around 49.
Friday
Sunny, with a high near 79.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 77.
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)
2:09 am PST Jan 26, 2026
3am PST Jan 26, 2026-6pm PST Feb 1, 2026
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