Current conditions at

Ontario International Airport (KONT)

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

Clear

59°F

15°C

Humidity 54%
Wind Speed N 0 MPH
Barometer 29.94 in (1013.89 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 10 Feb 12:20 AM PST
Extended Forecast for

Ontario International Arpt CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 52. Calm wind becoming west around 5 mph.

    Low: 52 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers after 4pm.  Partly sunny, with a high near 69. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 69 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 10pm.  Mostly cloudy, with a low around 53. West wind 5 to 10 mph becoming light and variable.  Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly before 10am.  Mostly cloudy, with a high near 62. Light and variable wind becoming west 5 to 10 mph in the afternoon.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 62 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46. West wind around 5 mph becoming calm  in the evening.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 52. Calm wind becoming west around 5 mph.
Tuesday
A chance of showers after 4pm. Partly sunny, with a high near 69. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Showers likely, mainly after 10pm. Mostly cloudy, with a low around 53. West wind 5 to 10 mph becoming light and variable. Chance of precipitation is 60%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, mainly before 10am. Mostly cloudy, with a high near 62. Light and variable wind becoming west 5 to 10 mph in the afternoon. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 46. West wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 69.
Friday Night
Clear, with a low around 45.
Saturday
Sunny, with a high near 70.
Saturday Night
A slight chance of showers. Increasing clouds, with a low around 48.
Sunday
A chance of showers. Partly sunny, with a high near 64.
Sunday Night
Showers likely. Mostly cloudy, with a low around 45.
Washington's Birthday
Showers. Mostly cloudy, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario International Arpt CA
 34.06°N 117.58°W (Elev. 906 ft)
12:39 pm PST Feb 9, 2026
12am PST Feb 10, 2026-6pm PST Feb 16, 2026
 
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Additional Resources

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