Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Overcast
56°F
13°C
| Humidity | 77% |
| Wind Speed | N 0 MPH |
| Barometer | 29.91 in (1012.87 mb) |
| Dewpoint | 49°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 16 Apr 03:53 AM PDT |
Extended Forecast for
Ontario CA
Today
High: 74 °F
Patchy Fog
then Mostly
SunnyTonight

Low: 53 °F
Mostly Clear
Friday

High: 79 °F
Sunny
Friday Night

Low: 55 °F
Clear
Saturday

High: 83 °F
Sunny
Saturday Night

Low: 56 °F
Partly Cloudy
Sunday
High: 82 °F
Patchy Fog
then Mostly
SunnySunday Night

Low: 53 °F
Mostly Clear
Monday

High: 77 °F
Sunny
Detailed Forecast
Today
Patchy fog before 11am. Otherwise, partly sunny, with a high near 74. Light west wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Mostly clear, with a low around 53. Southwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.
Friday Night
Clear, with a low around 55. West wind 5 to 10 mph becoming light and variable in the evening.
Saturday
Sunny, with a high near 83. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 77.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 51.
Wednesday
Mostly sunny, with a high near 73.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Ontario CA
34.05°N 117.61°W (Elev. 902 ft)
34.05°N 117.61°W (Elev. 902 ft)
12:20 am PDT Apr 16, 2026
4am PDT Apr 16, 2026-6pm PDT Apr 22, 2026


