Hazardous Weather Conditions
Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
63°F
17°C
| Humidity | 67% |
| Wind Speed | WSW 5 MPH |
| Barometer | 29.93 in (1013.55 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 04 Mar 06:35 PM PST |
Extended Forecast for
Ontario CA
Tonight

Low: 50 °F
Patchy Fog
Thursday

High: 74 °F
Sunny
Thursday Night

Low: 49 °F
Clear
Friday

High: 72 °F
Sunny
Friday Night
Low: 51 °F
Clear then
Clear and
BreezySaturday

High: 75 °F
Sunny
Saturday Night

Low: 56 °F
Clear
Sunday

High: 80 °F
Sunny
Sunday Night

Low: 53 °F
Mostly Clear
Detailed Forecast
Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 50. West wind 5 to 10 mph.
Thursday
Sunny, with a high near 74. Light and variable wind becoming northeast 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Thursday Night
Clear, with a low around 49. Northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 72. Northeast wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Clear, with a low around 51. Breezy, with a light northeast wind increasing to 20 to 25 mph in the evening. Winds could gust as high as 35 mph.
Saturday
Sunny, with a high near 75.
Saturday Night
Clear, with a low around 56.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 81.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Ontario CA
34.03°N 117.61°W (Elev. 823 ft)
34.03°N 117.61°W (Elev. 823 ft)
12:52 pm PST Mar 4, 2026
6pm PST Mar 4, 2026-6pm PDT Mar 11, 2026



