Current conditions at

Ontario International Airport (KONT)

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

haze

61°F

16°C

Humidity 83%
Wind Speed W 4 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 56°F (13°C)
Visibility 6.00 mi
Last update 09 Jun 06:53 AM PDT
Extended Forecast for

Ontario CA

  • Today

    Today: Sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 61. West wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 61 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. Southwest wind 5 to 10 mph becoming light west  after midnight. Winds could gust as high as 20 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 84. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Clear, with a low around 61. West wind 5 to 10 mph becoming light and variable in the evening.
Wednesday
Sunny, with a high near 93. Light and variable wind becoming west 10 to 15 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 becoming light west after midnight. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 89. Light southwest wind increasing to 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 90.
Friday Night
Mostly clear, with a low around 64.
Saturday
Sunny, with a high near 91.
Saturday Night
Clear, with a low around 64.
Sunday
Sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 86.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario CA
 34.05°N 117.61°W (Elev. 902 ft)
12:10 am PDT Jun 9, 2026
7am PDT Jun 9, 2026-6pm PDT Jun 15, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database