Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.haze
66°F
19°C
| Humidity | 68% |
| Wind Speed | N 0 MPH |
| Barometer | 29.93 in (1013.55 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 5.00 mi |
| Last update | 22 Mar 09:00 AM PDT |
Extended Forecast for
Ontario CA
Today

High: 87 °F
Mostly Sunny
Tonight

Low: 61 °F
Mostly Clear
Monday

High: 89 °F
Sunny
Monday Night

Low: 62 °F
Mostly Clear
Tuesday

High: 91 °F
Sunny
Tuesday Night

Low: 62 °F
Clear
Wednesday

High: 91 °F
Sunny
Wednesday Night

Low: 60 °F
Mostly Clear
Thursday

High: 90 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 87. Light west wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 61. West wind 5 to 10 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 89. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 62. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 91. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Clear, with a low around 62.
Wednesday
Sunny, with a high near 91.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 90.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Partly sunny, with a high near 94.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Ontario CA
34.05°N 117.64°W (Elev. 919 ft)
34.05°N 117.64°W (Elev. 919 ft)
1:03 am PDT Mar 22, 2026
9am PDT Mar 22, 2026-6pm PDT Mar 28, 2026


