Current conditions at
Ontario International Airport (KONT)
Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.
Fog
49°F
9°C
| Humidity | 92% |
| Wind Speed | N 0 MPH |
| Barometer | 30.15 in (1021.0 mb) |
| Dewpoint | 47°F (8°C) |
| Visibility | 0.50 mi |
| Last update | 14 Feb 07:53 AM PST |
Extended Forecast for
Ontario CA
Today

High: 70 °F
Mostly Sunny
Tonight

Low: 46 °F
Mostly Cloudy
Sunday

High: 66 °F
Partly Sunny
Sunday Night

Low: 48 °F
Chance Rain
Washington's Birthday

High: 57 °F
Rain and
BreezyMonday Night

Low: 46 °F
Showers
Tuesday

High: 58 °F
Showers
LikelyTuesday Night

Low: 45 °F
Showers
Wednesday

High: 56 °F
Showers
Likely
Detailed Forecast
Today
Mostly sunny, with a high near 70. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 46. West wind around 5 mph becoming calm after midnight.
Sunday
Partly sunny, with a high near 66. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
A chance of rain, mainly after 4am. Mostly cloudy, with a low around 48. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Washington's Birthday
Rain, mainly after 10am. High near 57. Breezy, with a southeast wind 5 to 10 mph becoming west 15 to 25 mph in the afternoon. Winds could gust as high as 35 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms after 4am. Low around 46. Chance of precipitation is 100%.
Tuesday
Showers likely, mainly after 10am. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Tuesday Night
Showers. Cloudy, with a low around 45.
Wednesday
Showers likely, mainly before 4pm. Mostly cloudy, with a high near 56.
Wednesday Night
A chance of showers, mainly before 10pm. Mostly cloudy, with a low around 41.
Thursday
A slight chance of showers. Mostly sunny, with a high near 60.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 40.
Friday
Sunny, with a high near 63.
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)
1:09 am PST Feb 14, 2026
8am PST Feb 14, 2026-6pm PST Feb 20, 2026


