Hazardous Weather Conditions
Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
84°F
29°C
| Humidity | 25% |
| Wind Speed | W 10 MPH |
| Barometer | 29.95 in (1014.22 mb) |
| Dewpoint | 45°F (7°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 15 Mar 03:05 PM PDT |
Extended Forecast for
Ontario CA
Heat Advisory March 16, 10:00am until March 20, 08:00pm
Tonight
Low: 61 °F
Mostly Clear
Monday
High: 93 °F
Sunny
Monday Night
Low: 64 °F
Mostly Clear
Tuesday
High: 98 °F
Sunny
Tuesday Night
Low: 66 °F
Mostly Clear
Wednesday
High: 99 °F
Sunny
Wednesday Night
Low: 66 °F
Mostly Clear
Thursday
High: 101 °F
Sunny
Thursday Night
Low: 68 °F
Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 61. West wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 93. West wind around 5 mph.
Monday Night
Mostly clear, with a low around 64. West wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
Sunny, with a high near 98. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 66. West wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 99.
Wednesday Night
Mostly clear, with a low around 66.
Thursday
Sunny, with a high near 101.
Thursday Night
Clear, with a low around 68.
Friday
Sunny, with a high near 101.
Friday Night
Clear, with a low around 67.
Saturday
Mostly sunny, with a high near 97.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Mostly sunny, with a high near 91.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
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)
12:42 pm PDT Mar 15, 2026
3pm PDT Mar 15, 2026-6pm PDT Mar 22, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
