Hazardous Weather Conditions

Current conditions at

Ontario International Airport (KONT)

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

Clear

63°F

17°C

Humidity 67%
Wind Speed WSW 5 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 04 Mar 06:35 PM PST
Extended Forecast for

Ontario CA

  • Tonight

    Tonight: Patchy fog after 10pm.  Otherwise, partly cloudy, with a low around 50. West wind 5 to 10 mph.

    Low: 50 °F

    Patchy Fog

  • Thursday

    Thursday: Sunny, with a high near 74. Light and variable wind becoming northeast 15 to 20 mph in the morning. Winds could gust as high as 30 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 49. Northeast wind 5 to 10 mph.

    Low: 49 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72. Northeast wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 51. Breezy, with a light northeast wind increasing to 20 to 25 mph in the evening. Winds could gust as high as 35 mph.

    Low: 51 °F

    Clear then
    Clear and
    Breezy

  • Saturday

    Saturday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 10pm. Otherwise, partly cloudy, with a low around 50. West wind 5 to 10 mph.
Thursday
Sunny, with a high near 74. Light and variable wind becoming northeast 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Thursday Night
Clear, with a low around 49. Northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 72. Northeast wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Clear, with a low around 51. Breezy, with a light northeast wind increasing to 20 to 25 mph in the evening. Winds could gust as high as 35 mph.
Saturday
Sunny, with a high near 75.
Saturday Night
Clear, with a low around 56.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario CA
 34.03°N 117.61°W (Elev. 823 ft)
12:52 pm PST Mar 4, 2026
6pm PST Mar 4, 2026-6pm PDT Mar 11, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database