Current conditions at

Ontario International Airport (KONT)

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

Overcast

62°F

17°C

Humidity 80%
Wind Speed N 0 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 56°F (13°C)
Visibility 7.00 mi
Last update 19 Jun 05:53 AM PDT
Extended Forecast for

5 Miles ESE Ontario International Arpt CA

  • Juneteenth

    Juneteenth: Cloudy through mid morning, then gradual clearing, with a high near 81. Light west wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 81 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 57. West wind 10 to 15 mph becoming light  after midnight. Winds could gust as high as 20 mph.

    Low: 57 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Patchy fog before 11am.  Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 80. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 80 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light southwest  after midnight. Winds could gust as high as 20 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 81. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 81 °F

    Sunny

  • Sunday Night

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

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 59.

    Low: 59 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

Juneteenth
Cloudy through mid morning, then gradual clearing, with a high near 81. Light west wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Increasing clouds, with a low around 57. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Saturday
Patchy fog before 11am. Otherwise, mostly cloudy through mid morning, then gradual clearing, with a high near 80. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 81. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 86.
Monday Night
Clear, with a low around 59.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Ontario International Arpt CA
 34.02°N 117.52°W (Elev. 797 ft)
12:04 am PDT Jun 19, 2026
6am PDT Jun 19, 2026-6pm PDT Jun 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database