Current conditions at

Ontario International Airport (KONT)

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

Clear

63°F

17°C

Humidity 59%
Wind Speed N 0 MPH
Barometer 29.96 in (1014.56 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 10 Feb 12:35 PM PST
Extended Forecast for

Ontario CA

  • This Afternoon

    This Afternoon: A chance of showers after 4pm.  Patchy fog after 1pm.  Otherwise, mostly cloudy, with a high near 70. Southwest wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 70 °F

    Chance
    Showers and
    Patchy Fog

  • Tonight

    Tonight: 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 70%. 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. Southeast wind around 5 mph becoming calm.  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 47. West wind around 5 mph becoming calm  in the evening.

    Low: 47 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65. Calm wind becoming west around 5 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 46.

    Low: 46 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers after 4pm. Patchy fog after 1pm. Otherwise, mostly cloudy, with a high near 70. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
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 70%. 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. Southeast wind around 5 mph becoming calm. 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 47. West wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 65. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 47.
Friday
Sunny, with a high near 69.
Friday Night
Clear, with a low around 46.
Saturday
Sunny, with a high near 69.
Saturday Night
A slight chance of showers after 10pm. Increasing clouds, with a low around 48.
Sunday
A chance of showers. Partly sunny, with a high near 65.
Sunday Night
Showers likely. Mostly cloudy, with a low around 45.
Washington's Birthday
Showers. Mostly cloudy, with a high near 60.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Ontario CA
 34.05°N 117.64°W (Elev. 919 ft)
7:47 am PST Feb 10, 2026
12pm PST Feb 10, 2026-6pm PST Feb 16, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database