Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.haze
61°F
16°C
| Humidity | 83% |
| Wind Speed | W 4 MPH |
| Barometer | 29.9 in (1012.53 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 6.00 mi |
| Last update | 09 Jun 06:53 AM PDT |
Extended Forecast for
Ontario CA
Today

High: 84 °F
Sunny
Tonight

Low: 61 °F
Clear
Wednesday

High: 93 °F
Sunny
Wednesday Night

Low: 62 °F
Mostly Clear
Thursday

High: 89 °F
Sunny
Thursday Night

Low: 62 °F
Mostly Clear
Friday

High: 90 °F
Sunny
Friday Night

Low: 64 °F
Mostly Clear
Saturday

High: 91 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Clear, with a low around 61. West wind 5 to 10 mph becoming light and variable in the evening.
Wednesday
Sunny, with a high near 93. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 62. Southwest wind 5 to 10 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 91.
Saturday Night
Clear, with a low around 64.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 86.
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 117.61°W (Elev. 902 ft)
34.05°N 117.61°W (Elev. 902 ft)
12:10 am PDT Jun 9, 2026
7am PDT Jun 9, 2026-6pm PDT Jun 15, 2026


