National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Ontario International Airport (KONT)

Lat: 34.05316°NLon: 117.57685°WElev: 906.0ft.

Mostly Cloudy

73°F

23°C

Humidity 20%
Wind Speed N 4 MPH
Barometer 30.16 in (1021.34 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 11 Jan 01:35 PM PST
Extended Forecast for

Ontario CA

Wind Advisory January 11, 01:52pm until January 12, 02:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory January 11, 01:52pm until January 12, 02:00pm

    NOW until 2:00pm Mon

    Wind Advisory

  • This Afternoon

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. Calm wind becoming northwest around 5 mph.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 48. Calm wind becoming northwest around 5 mph.

    Low: 48 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 51.

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 72. West wind around 5 mph.
Tonight
Mostly clear, with a low around 46. Calm wind becoming northwest around 5 mph.
Monday
Sunny, with a high near 73. Calm wind becoming west around 5 mph in the afternoon.
Monday Night
Clear, with a low around 48. Calm wind becoming northwest around 5 mph.
Tuesday
Sunny, with a high near 76. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 51.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Clear, with a low around 53.
Thursday
Sunny, with a high near 80.
Thursday Night
Clear, with a low around 52.
Friday
Sunny, with a high near 79.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 77.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ontario CA
 34.05°N 117.61°W (Elev. 902 ft)
Last Update:
12:07 pm PST Jan 11, 2026
Forecast Valid:
1pm PST Jan 11, 2026-6pm PST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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