Current conditions at

Ontario International Airport (KONT)

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

Clear

52°F

11°C

Humidity 81%
Wind Speed N 0 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 07 Jan 08:35 AM PST
Extended Forecast for

Ontario CA

  • Today

    Today: Mostly sunny, with a high near 63. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 46. South wind around 5 mph becoming calm  in the evening.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 60. North wind around 5 mph becoming south in the afternoon.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 45. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 62. Northwest wind 5 to 10 mph becoming southwest in the afternoon.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 63. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a low around 46. South wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 60. North wind around 5 mph becoming south in the afternoon.
Thursday Night
Clear, with a low around 45. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Sunny, with a high near 62. Northwest wind 5 to 10 mph becoming southwest in the afternoon.
Friday Night
Clear, with a low around 45.
Saturday
Sunny, with a high near 68.
Saturday Night
Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 48.
Monday
Sunny, with a high near 73.
Monday Night
Clear, with a low around 49.
Tuesday
Sunny, with a high near 75.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario CA
 34.03°N 117.61°W (Elev. 823 ft)
2:31 am PST Jan 7, 2026
8am PST Jan 7, 2026-6pm PST Jan 13, 2026
 
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Additional Resources

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