Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Partly Cloudy
59°F
15°C
| Humidity | 77% |
| Wind Speed | N 0 MPH |
| Barometer | 29.92 in (1013.21 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 30 Apr 08:35 AM PDT |
Extended Forecast for
Ontario CA
Today

High: 77 °F
Sunny
Tonight

Low: 54 °F
Mostly Clear
Friday
High: 81 °F
Patchy Fog
then SunnyFriday Night

Low: 56 °F
Mostly Clear
Saturday

High: 83 °F
Sunny
Saturday Night

Low: 56 °F
Partly Cloudy
Sunday

High: 76 °F
Mostly Sunny
Sunday Night

Low: 54 °F
Partly Cloudy
Monday

High: 69 °F
Mostly Sunny
Detailed Forecast
Today
Sunny, with a high near 77. Southwest wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Mostly clear, with a low around 54. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Patchy fog before 11am. Otherwise, sunny, with a high near 81. Light west wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Mostly clear, with a low around 56. West wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 83. Light west wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Partly cloudy, with a low around 54.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 79.
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)
12:23 am PDT Apr 30, 2026
8am PDT Apr 30, 2026-6pm PDT May 6, 2026


