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

Ontario International Airport (KONT)

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

Clear

72°F

22°C

Humidity 37%
Wind Speed W 12 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 22 Apr 01:05 PM PDT
Extended Forecast for

Ontario International Arpt CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 76. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 52. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 71. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 71 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog between 8pm and 11pm. Otherwise, mostly cloudy, with a low around 51. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.

    Low: 51 °F

    Patchy Fog
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 71. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 71 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 51.

    Low: 51 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 67.

    High: 67 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 76. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 52. West wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 71. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Patchy fog between 8pm and 11pm. Otherwise, mostly cloudy, with a low around 51. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 20 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 71. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 51.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 49.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 48.
Sunday
Sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Ontario International Arpt CA
 34.06°N 117.58°W (Elev. 906 ft)
Last Update:
12:50 pm PDT Apr 22, 2025
Forecast Valid:
1pm PDT Apr 22, 2025-6pm PDT Apr 28, 2025
 
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