Current conditions at

Ontario International Airport (KONT)

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

Partly Cloudy

48°F

9°C

Humidity 47%
Wind Speed NNE 3 MPH
Barometer 30.21 in (1023.03 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 12 Jan 05:53 AM PST
Extended Forecast for

Ontario CA

Wind Advisory January 12, 06:09am until January 12, 02:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory January 12, 06:09am until January 12, 02:00pm

    NOW until 2:00pm Mon

    Wind Advisory

  • Today

    High: 74 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 48. West wind 5 to 10 mph becoming northwest in the evening.

    Low: 48 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Northwest wind around 5 mph becoming calm.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 51. Calm wind becoming northwest around 5 mph.

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. West wind around 5 mph becoming calm.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 53.

    Low: 53 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

Detailed Forecast

Today
Sunny, with a high near 74. Northwest wind around 5 mph becoming calm.
Tonight
Clear, with a low around 48. West wind 5 to 10 mph becoming northwest in the evening.
Tuesday
Sunny, with a high near 77. Northwest wind around 5 mph becoming calm.
Tuesday Night
Clear, with a low around 51. Calm wind becoming northwest around 5 mph.
Wednesday
Sunny, with a high near 82. West wind around 5 mph becoming calm.
Wednesday Night
Clear, with a low around 53.
Thursday
Sunny, with a high near 81.
Thursday Night
Clear, with a low around 52.
Friday
Sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 53.
Saturday
Sunny, with a high near 80.
Saturday Night
Mostly clear, with a low around 52.
Sunday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario CA
 34.05°N 117.64°W (Elev. 919 ft)
1:45 am PST Jan 12, 2026
6am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database