Current conditions at

Ontario International Airport (KONT)

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

Mist

61°F

16°C

Humidity 87%
Wind Speed W 3 MPH
Barometer 29.87 in (1011.51 mb)
Dewpoint 57°F (14°C)
Visibility 5.00 mi
Last update 14 Jun 03:20 AM PDT
Extended Forecast for

Ontario International Arpt CA

  • Overnight

    Overnight: Patchy fog.  Otherwise, mostly cloudy, with a low around 61. West wind around 5 mph.

    Low: 61 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 90. Light west wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 90 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. West wind 5 to 10 mph becoming light  in the evening. Winds could gust as high as 20 mph.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 94. Light west wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 94 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. West wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 61. West wind around 5 mph.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Light west wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly clear, with a low around 64. West wind 5 to 10 mph becoming light in the evening. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 94. Light west wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 66. West wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 91.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 64.
Juneteenth
Sunny, with a high near 89.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario International Arpt CA
 34.05°N 117.61°W (Elev. 902 ft)
1:35 am PDT Jun 14, 2025
3am PDT Jun 14, 2025-6pm PDT Jun 20, 2025
 
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Additional Resources

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