Hazardous Weather Conditions

Current conditions at

Ontario International Airport (KONT)

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

Clear

63°F

17°C

Humidity 39%
Wind Speed N 0 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 13 Mar 05:20 AM PDT
Extended Forecast for

Ontario CA

Heat Advisory March 13, 05:44am until March 13, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory March 13, 05:44am until March 13, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. West wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57. West wind 5 to 10 mph becoming light southwest  after midnight.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 90. Light and variable wind becoming northwest 5 to 10 mph in the morning.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 92. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tonight
Partly cloudy, with a low around 59. West wind 5 to 10 mph becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 84. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Clear, with a low around 57. West wind 5 to 10 mph becoming light southwest after midnight.
Sunday
Sunny, with a high near 90. Light and variable wind becoming northwest 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 94.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 98.
Tuesday Night
Clear, with a low around 66.
Wednesday
Sunny, with a high near 100.
Wednesday Night
Clear, with a low around 66.
Thursday
Sunny, with a high near 100.
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario CA
 34.03°N 117.58°W (Elev. 853 ft)
12:24 am PDT Mar 13, 2026
5am PDT Mar 13, 2026-6pm PDT Mar 19, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database