Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
82°F
28°C
| Humidity | 30% |
| Wind Speed | WSW 14 MPH |
| Barometer | 29.93 in (1013.55 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 02 Sep 06:00 PM PDT |
Extended Forecast for
Ontario International Arpt CA
Tonight
Low: 60 °F
Clear
Thursday
High: 85 °F
Sunny
Thursday Night
Low: 60 °F
Mostly Clear
Friday
High: 86 °F
Sunny
Friday Night
Low: 64 °F
Mostly Clear
Saturday
High: 90 °F
Slight Chance
ShowersSaturday Night
Low: 68 °F
Slight Chance
ShowersSunday
High: 86 °F
Chance
ShowersSunday Night
Low: 68 °F
Slight Chance
Showers
Detailed Forecast
Tonight
Clear, with a low around 60. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 85. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 60. Southwest wind 5 to 10 mph becoming south after midnight. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 86. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 64. Southwest wind 5 to 10 mph becoming light and variable after midnight.
Saturday
A slight chance of showers after 11am. Partly sunny, with a high near 90. Chance of precipitation is 20%.
Saturday Night
A slight chance of showers. Mostly cloudy, with a low around 68. Chance of precipitation is 20%.
Sunday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 86.
Sunday Night
A slight chance of showers. Mostly cloudy, with a low around 68.
Labor Day
A slight chance of showers. Mostly sunny, with a high near 88.
Monday Night
A slight chance of showers. Partly cloudy, with a low around 67.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 89.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 67.
Wednesday
Sunny, with a high near 90.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Ontario International Arpt CA
34.05°N 117.61°W (Elev. 902 ft)
34.05°N 117.61°W (Elev. 902 ft)
12:01 pm PDT Sep 2, 2026
6pm PDT Sep 2, 2026-6pm PDT Sep 9, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
