Current conditions at

Ontario International Airport (KONT)

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

Clear

48°F

9°C

Humidity 49%
Wind Speed NNE 5 MPH
Barometer 30.22 in (1023.37 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 12 Jan 01:20 AM PST
Extended Forecast for

Ontario CA

Wind Advisory January 12, 01:31am until January 12, 02:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory January 12, 01:31am until January 12, 02:00pm

    NOW until 2:00pm Mon

    Wind Advisory

  • Overnight

    Low: 47 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 74 °F

    Sunny

  • Monday Night

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

    Low: 51 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Calm wind becoming north around 5 mph in the afternoon.

    High: 77 °F

    Sunny

  • Tuesday Night

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

    Low: 51 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82.

    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

Detailed Forecast

Overnight
Mostly clear, with a low around 47. Calm wind becoming northwest around 5 mph.
Monday
Sunny, with a high near 74. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
Clear, with a low around 51. Calm wind becoming northwest around 5 mph.
Tuesday
Sunny, with a high near 77. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Clear, with a low around 51. Calm wind becoming northwest around 5 mph after midnight.
Wednesday
Sunny, with a high near 82.
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 79.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 51.
Sunday
Mostly sunny, with a high near 78.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario CA
 34.03°N 117.61°W (Elev. 823 ft)
12:07 pm PST Jan 11, 2026
1am PST Jan 12, 2026-6pm PST Jan 18, 2026
 
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Additional Resources

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