Hazardous Weather Conditions
Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
72°F
22°C
| Humidity | 31% |
| Wind Speed | NW 3 MPH |
| Barometer | 30.06 in (1017.95 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 10.00 mi |
| Last update | 12 Mar 10:53 PM PDT |
Extended Forecast for
Ontario CA
Heat Advisory March 12, 11:12pm until March 13, 08:00pm
NOW until 8:00pm Fri

Heat Advisory
Tonight

Low: 61 °F
Clear
Friday

High: 93 °F
Increasing
CloudsFriday Night

Low: 61 °F
Mostly Cloudy
Saturday

High: 88 °F
Becoming
SunnySaturday Night

Low: 58 °F
Clear
Sunday

High: 93 °F
Mostly Sunny
Sunday Night

Low: 61 °F
Partly Cloudy
Monday

High: 98 °F
Sunny
Detailed Forecast
Tonight
Clear, with a low around 61. Northeast wind around 5 mph becoming calm.
Friday
Increasing clouds, with a high near 93. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 61. West wind 5 to 10 mph becoming light and variable in the evening.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 88. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Clear, with a low around 58. West wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Mostly sunny, with a high near 93.
Sunday Night
Partly cloudy, with a low around 61.
Monday
Sunny, with a high near 98.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 101.
Tuesday Night
Clear, with a low around 65.
Wednesday
Sunny, with a high near 99.
Wednesday Night
Clear, with a low around 64.
Thursday
Sunny, with a high near 100.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Ontario CA
34.03°N 117.58°W (Elev. 853 ft)
34.03°N 117.58°W (Elev. 853 ft)
12:13 pm PDT Mar 12, 2026
11pm PDT Mar 12, 2026-6pm PDT Mar 19, 2026



