Hazardous Weather Conditions
Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
82°F
28°C
| Humidity | 23% |
| Wind Speed | W 8 MPH |
| Barometer | 30.19 in (1022.35 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 12 Mar 11:35 AM PDT |
Extended Forecast for
Ontario CA
Heat Advisory until March 13, 08:00pm
NOW until 8:00pm Fri
Heat Advisory
This Afternoon
High: 93 °F
Sunny
Tonight
Low: 62 °F
Clear
Friday
High: 93 °F
Mostly Sunny
Friday Night
Low: 61 °F
Mostly Cloudy
Saturday
High: 87 °F
Partly Sunny
Saturday Night
Low: 58 °F
Mostly Clear
Sunday
High: 92 °F
Mostly Sunny
Sunday Night
Low: 62 °F
Partly Cloudy
Detailed Forecast
This Afternoon
Sunny, with a high near 93. Calm wind becoming northeast around 5 mph.
Tonight
Clear, with a low around 62. West wind around 5 mph becoming calm.
Friday
Mostly sunny, 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, with a high near 87. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Mostly sunny, with a high near 92.
Sunday Night
Partly cloudy, with a low around 62.
Monday
Sunny, with a high near 97.
Monday Night
Clear, with a low around 65.
Tuesday
Sunny, with a high near 99.
Tuesday Night
Clear, with a low around 66.
Wednesday
Sunny, with a high near 97.
Additional Forecasts and Information
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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)
10:22 am PDT Mar 12, 2026
12pm PDT Mar 12, 2026-6pm PDT Mar 18, 2026
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