Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
59°F
15°C
| Humidity | 54% |
| Wind Speed | N 0 MPH |
| Barometer | 29.94 in (1013.89 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 10 Feb 12:20 AM PST |
Extended Forecast for
Ontario International Arpt CA
Overnight

Low: 52 °F
Mostly Cloudy
Tuesday
High: 69 °F
Partly Sunny
then Chance
ShowersTuesday Night

Low: 53 °F
Showers
LikelyWednesday

High: 62 °F
Showers
LikelyWednesday Night

Low: 46 °F
Mostly Cloudy
Thursday

High: 65 °F
Mostly Sunny
Thursday Night

Low: 45 °F
Mostly Clear
Friday

High: 69 °F
Sunny
Friday Night

Low: 45 °F
Clear
Detailed Forecast
Overnight
Mostly cloudy, with a low around 52. Calm wind becoming west around 5 mph.
Tuesday
A chance of showers after 4pm. Partly sunny, with a high near 69. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Showers likely, mainly after 10pm. Mostly cloudy, with a low around 53. West wind 5 to 10 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 62. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 46. West wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 69.
Friday Night
Clear, with a low around 45.
Saturday
Sunny, with a high near 70.
Saturday Night
A slight chance of showers. Increasing clouds, with a low around 48.
Sunday
A chance of showers. Partly sunny, with a high near 64.
Sunday Night
Showers likely. Mostly cloudy, with a low around 45.
Washington's Birthday
Showers. Mostly cloudy, with a high near 60.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Ontario International Arpt CA
34.06°N 117.58°W (Elev. 906 ft)
34.06°N 117.58°W (Elev. 906 ft)
12:39 pm PST Feb 9, 2026
12am PST Feb 10, 2026-6pm PST Feb 16, 2026


