Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Partly Cloudy
52°F
11°C
| Humidity | 52% |
| Wind Speed | NE 3 MPH |
| Barometer | 30.04 in (1017.27 mb) |
| Dewpoint | 35°F (2°C) |
| Visibility | 10.00 mi |
| Last update | 19 Jan 02:53 AM PST |
Extended Forecast for
Ontario CA
Overnight
Low: 51 °F
Clear
M.L.King Day
High: 78 °F
Sunny
Monday Night
Low: 50 °F
Clear
Tuesday
High: 78 °F
Sunny
Tuesday Night
Low: 50 °F
Partly Cloudy
Wednesday
High: 74 °F
Partly Sunny
Wednesday Night
Low: 51 °F
Mostly Cloudy
Thursday
High: 69 °F
Partly Sunny
Thursday Night
Low: 49 °F
Partly Cloudy
Detailed Forecast
Overnight
Clear, with a low around 51. Northeast wind around 5 mph becoming calm.
M.L.King Day
Sunny, with a high near 78. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Clear, with a low around 50. Calm wind becoming west around 5 mph.
Tuesday
Sunny, with a high near 78. Calm wind becoming west around 5 mph.
Tuesday Night
Partly cloudy, with a low around 50. West wind around 5 mph becoming calm in the evening.
Wednesday
Partly sunny, with a high near 74.
Wednesday Night
Mostly cloudy, with a low around 51.
Thursday
Partly sunny, with a high near 69.
Thursday Night
Partly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 72.
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)
2:29 am PST Jan 19, 2026
3am PST Jan 19, 2026-6pm PST Jan 25, 2026
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