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.

Overcast

70°F

21°C

Humidity 40%
Wind Speed WSW 8 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 16 Apr 12:30 PM PDT
Extended Forecast for

Ontario International Arpt CA

Wind Advisory April 17, 05:00am until April 17, 05:00pm
Click here for hazard details and duration
Wind Advisory

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 74. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 74 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 53. Southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 79. North wind 5 to 10 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 55. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 55 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 83. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 82.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 74. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 53. Southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Friday
Sunny, with a high near 79. North wind 5 to 10 mph.
Friday Night
Clear, with a low around 55. West wind 5 to 10 mph becoming light and variable in the evening.
Saturday
Sunny, with a high near 83. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 82.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Ontario International Arpt CA
 34.06°N 117.58°W (Elev. 906 ft)
Last Update:
11:48 am PDT Apr 16, 2026
Forecast Valid:
12pm PDT Apr 16, 2026-6pm PDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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