Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Overcast
55°F
13°C
| Humidity | 71% |
| Wind Speed | N 0 MPH |
| Barometer | 30.07 in (1018.29 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 8.00 mi |
| Last update | 20 Nov 09:20 AM PST |
Extended Forecast for
Ontario CA
Today
High: 58 °F
Chance
ShowersTonight
Low: 49 °F
Heavy Rain
Friday
High: 61 °F
Chance
ShowersFriday Night
Low: 49 °F
Slight Chance
ShowersSaturday
High: 66 °F
Mostly Sunny
Saturday Night
Low: 47 °F
Mostly Clear
Sunday
High: 66 °F
Sunny
Sunday Night
Low: 47 °F
Mostly Clear
Monday
High: 67 °F
Sunny
Detailed Forecast
Today
A chance of showers between 10am and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 58. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 49. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 61. East wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers. Mostly cloudy, with a low around 49. Northeast wind 5 to 10 mph becoming light north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Saturday
Mostly sunny, with a high near 66. Northwest wind around 5 mph becoming calm in the morning.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 66.
Sunday Night
Mostly clear, with a low around 47.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Mostly sunny, with a high near 68.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 71.
Additional Forecasts and Information
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Point Forecast:
Ontario CA
34.05°N 117.64°W (Elev. 919 ft)
34.05°N 117.64°W (Elev. 919 ft)
4:15 am PST Nov 20, 2025
9am PST Nov 20, 2025-6pm PST Nov 26, 2025
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