Current conditions at

Ontario International Airport (KONT)

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

Clear

61°F

16°C

Humidity 31%
Wind Speed N 0 MPH
Barometer 30.2 in (1022.69 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 25 Jan 06:35 PM PST
Extended Forecast for

Ontario International Arpt CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. West wind around 5 mph becoming calm.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 70. Calm wind becoming east around 5 mph in the afternoon.

    High: 70 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42. Calm wind.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72. Calm wind becoming east around 5 mph.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 44. Northeast wind around 5 mph.

    Low: 44 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 71.

    High: 71 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 45. West wind around 5 mph becoming calm.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 70. Calm wind becoming east around 5 mph in the afternoon.
Monday Night
Clear, with a low around 42. Calm wind.
Tuesday
Sunny, with a high near 72. Calm wind becoming east around 5 mph.
Tuesday Night
Mostly clear, with a low around 44. Northeast wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 71.
Wednesday Night
Mostly cloudy, with a low around 46.
Thursday
Sunny, with a high near 75.
Thursday Night
Clear, with a low around 48.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 49.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Partly sunny, with a high near 77.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Ontario International Arpt CA
 34.06°N 117.58°W (Elev. 906 ft)
12:07 pm PST Jan 25, 2026
6pm PST Jan 25, 2026-6pm PST Feb 1, 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