Current conditions at

Ontario International Airport (KONT)

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

Clear

82°F

28°C

Humidity 17%
Wind Speed NNE 8 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Oct 02:05 PM PDT
Extended Forecast for

Ontario CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 83. West wind around 5 mph.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 55. West wind 5 to 10 mph becoming east in the evening.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 84. North wind around 5 mph becoming calm.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. Calm wind becoming northeast around 5 mph in the evening.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 83. West wind around 5 mph.
Tonight
Clear, with a low around 55. West wind 5 to 10 mph becoming east in the evening.
Saturday
Sunny, with a high near 84. North wind around 5 mph becoming calm.
Saturday Night
Mostly clear, with a low around 57. Calm wind becoming northeast around 5 mph in the evening.
Sunday
Mostly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 54.
Wednesday
Patchy fog. Otherwise, mostly sunny, with a high near 72.
Wednesday Night
Patchy fog. Otherwise, mostly clear, with a low around 53.
Thursday
Patchy fog. Otherwise, mostly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario CA
 34.03°N 117.61°W (Elev. 823 ft)
12:34 pm PDT Oct 17, 2025
2pm PDT Oct 17, 2025-6pm PDT Oct 23, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database