Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Clear
61°F
16°C
| Humidity | 72% |
| Wind Speed | N 3 MPH |
| Barometer | 29.98 in (1015.24 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 27 Feb 03:00 AM PST |
Extended Forecast for
Ontario International Arpt CA
Overnight
Low: 59 °F
Mostly Clear
Friday
High: 91 °F
Sunny
Friday Night
Low: 61 °F
Mostly Clear
Saturday
High: 89 °F
Becoming
SunnySaturday Night
Low: 57 °F
Clear
Sunday
High: 82 °F
Sunny
Sunday Night
Low: 52 °F
Partly Cloudy
Monday
High: 73 °F
Sunny
Monday Night
Low: 49 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 59. Southwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 61. Northwest wind around 5 mph becoming calm.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 89. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Clear, with a low around 57. West wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 82.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 49.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 50.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 76.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Ontario International Arpt CA
34.06°N 117.58°W (Elev. 906 ft)
34.06°N 117.58°W (Elev. 906 ft)
12:56 am PST Feb 27, 2026
3am PST Feb 27, 2026-6pm PST Mar 5, 2026
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