National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Ontario International Airport (KONT)

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

Clear

90°F

32°C

Humidity 33%
Wind Speed WSW 11 MPH
Barometer 29.84 in (1010.5 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 16 Jun 06:00 PM PDT
Extended Forecast for

5 Miles ESE Ontario International Arpt CA

Heat Advisory until June 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until June 18, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Tonight

    Low: 64 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Patchy fog before 11am. Otherwise, sunny, with a high near 89.

    High: 89 °F

    Patchy Fog
    then Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 64. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 25 mph.
Tuesday
Sunny, with a high near 96. Light west wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 65. West wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 95. Light southwest wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 63. West wind 5 to 15 mph, with gusts as high as 20 mph.
Juneteenth
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 63.
Friday
Patchy fog before 11am. Otherwise, sunny, with a high near 89.
Friday Night
Increasing clouds, with a low around 61.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 84.
Saturday Night
Increasing clouds, with a low around 59.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 85.
Sunday Night
Increasing clouds, with a low around 60.
Monday
Partly sunny, then gradually becoming sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Ontario International Arpt CA
 34.02°N 117.52°W (Elev. 797 ft)
Last Update:
12:59 pm PDT Jun 16, 2025
Forecast Valid:
6pm PDT Jun 16, 2025-6pm PDT Jun 23, 2025
 
Forecast Discussion
 
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Additional Resources

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