Current conditions at

Ontario International Airport (KONT)

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

Mostly Cloudy

64°F

18°C

Humidity 80%
Wind Speed NW 3 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 02 Jan 02:53 PM PST
Extended Forecast for

Ontario CA

  • This Afternoon

    This Afternoon: A chance of showers.  Partly sunny, with a high near 67. North wind around 5 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance
    Showers

  • Tonight

    Tonight: A slight chance of showers.  Mostly cloudy, with a low around 54. Calm wind.  Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Showers, mainly after 10am.  High near 63. Calm wind becoming west around 5 mph in the afternoon.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 63 °F

    Showers

  • Saturday Night

    Saturday Night: Showers, mainly before 10pm.  Low around 54. West wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 4pm.  Mostly cloudy, with a high near 63. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers likely, mainly before 10pm.  Mostly cloudy, with a low around 51. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

  • Monday

    Monday: A slight chance of showers.  Partly sunny, with a high near 61. Chance of precipitation is 20%.

    High: 61 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, mainly after 10pm.  Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers.  Partly sunny, with a high near 61.

    High: 61 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A chance of showers. Partly sunny, with a high near 67. North wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A slight chance of showers. Mostly cloudy, with a low around 54. Calm wind. Chance of precipitation is 20%.
Saturday
Showers, mainly after 10am. High near 63. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers, mainly before 10pm. Low around 54. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 63. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Monday
A slight chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 20%.
Monday Night
A chance of showers, mainly after 10pm. Mostly cloudy, with a low around 47.
Tuesday
A chance of showers. Partly sunny, with a high near 61.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 45.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 61.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 43.
Thursday
A slight chance of showers. Mostly sunny, with a high near 62.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario CA
 34.03°N 117.61°W (Elev. 823 ft)
12:55 pm PST Jan 2, 2026
3pm PST Jan 2, 2026-6pm PST Jan 9, 2026
 
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Additional Resources

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