Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Overcast
62°F
17°C
| Humidity | 80% |
| Wind Speed | N 0 MPH |
| Barometer | 29.98 in (1015.24 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 7.00 mi |
| Last update | 19 Jun 05:53 AM PDT |
Extended Forecast for
5 Miles ESE Ontario International Arpt CA
Juneteenth

High: 81 °F
Becoming
SunnyTonight

Low: 57 °F
Increasing
CloudsSaturday
High: 80 °F
Patchy Fog
then SunnySaturday Night

Low: 57 °F
Mostly Clear
Sunday

High: 81 °F
Sunny
Sunday Night

Low: 58 °F
Mostly Clear
Monday

High: 86 °F
Sunny
Monday Night

Low: 59 °F
Clear
Tuesday

High: 93 °F
Sunny
Detailed Forecast
Juneteenth
Cloudy through mid morning, then gradual clearing, with a high near 81. Light west wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Increasing clouds, with a low around 57. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Saturday
Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 80. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 81. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 86.
Monday Night
Clear, with a low around 59.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 93.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles ESE Ontario International Arpt CA
34.02°N 117.52°W (Elev. 797 ft)
34.02°N 117.52°W (Elev. 797 ft)
12:04 am PDT Jun 19, 2026
6am PDT Jun 19, 2026-6pm PDT Jun 25, 2026


