Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.haze
63°F
17°C
| Humidity | 77% |
| Wind Speed | SW 10 MPH |
| Barometer | 29.98 in (1015.24 mb) |
| Dewpoint | 55°F (13°C) |
| Visibility | 6.00 mi |
| Last update | 12 May 09:00 AM PDT |
Extended Forecast for
Ontario CA
Today
High: 81 °F
Sunny
Tonight
Low: 58 °F
Increasing
CloudsWednesday
High: 77 °F
Becoming
SunnyWednesday Night
Low: 56 °F
Mostly Clear
Thursday
High: 81 °F
Sunny
Thursday Night
Low: 57 °F
Mostly Clear
Friday
High: 81 °F
Sunny
Friday Night
Low: 56 °F
Mostly Clear
Saturday
High: 80 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 81. West wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around 58. West wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, 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 20 mph.
Wednesday Night
Mostly clear, with a low around 56. West wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 81. Light southwest wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Thursday Night
Mostly clear, with a low around 57.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 56.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 57.
Monday
Sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Ontario CA
34.05°N 117.61°W (Elev. 902 ft)
34.05°N 117.61°W (Elev. 902 ft)
12:40 am PDT May 12, 2026
9am PDT May 12, 2026-6pm PDT May 18, 2026
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