Current conditions at

Ontario International Airport (KONT)

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

Clear

82°F

28°C

Humidity 42%
Wind Speed SW 8 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 23 Jun 01:05 PM PDT
Extended Forecast for

Ontario CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 90. West wind around 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. West wind 5 to 10 mph becoming light  after midnight. Winds could gust as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90. Light west wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 25 mph.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 90. West wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 63. West wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 90. Light west wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 62. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 25 mph.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 79.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 57.
Monday
Mostly sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario CA
 34.05°N 117.61°W (Elev. 902 ft)
12:04 pm PDT Jun 23, 2026
1pm PDT Jun 23, 2026-6pm PDT Jun 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database