Hazardous Weather Conditions
Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
75°F
24°C
| Humidity | 20% |
| Wind Speed | N 0 MPH |
| Barometer | 30.02 in (1016.59 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 10.00 mi |
| Last update | 13 Mar 10:20 AM PDT |
Extended Forecast for
Ontario CA
Extreme Heat Watch March 16, 10:00am until March 20, 08:00pm
Heat Advisory March 13, 10:37am until March 13, 08:00pm
NOW until 8:00pm Fri

Heat Advisory
Today

High: 92 °F
Sunny
Tonight

Low: 60 °F
Partly Cloudy
Saturday

High: 84 °F
Mostly Sunny
Saturday Night

Low: 57 °F
Clear
Sunday

High: 90 °F
Sunny
Sunday Night

Low: 63 °F
Mostly Clear
Monday

High: 93 °F
Sunny
Monday Night

Low: 65 °F
Mostly Clear
Detailed Forecast
Today
Sunny, with a high near 92. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a low around 60. West wind 5 to 10 mph becoming light and variable in the evening.
Saturday
Mostly 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.
Saturday Night
Clear, with a low around 57. West wind around 5 mph becoming calm after midnight.
Sunday
Sunny, with a high near 90. Calm wind becoming northwest around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 63.
Monday
Sunny, with a high near 93.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 98.
Tuesday Night
Clear, with a low around 67.
Wednesday
Sunny, with a high near 99.
Wednesday Night
Clear, with a low around 66.
Thursday
Sunny, with a high near 100.
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)
12:24 am PDT Mar 13, 2026
10am PDT Mar 13, 2026-6pm PDT Mar 19, 2026



