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.

Mostly Cloudy

75°F

24°C

Humidity 47%
Wind Speed WSW 13 MPH
Barometer 29.92 in (1013.21 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 09 Apr 04:35 PM PDT
Extended Forecast for

3 Miles ESE Ontario International Arpt CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. Southwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 20 mph.

    Low: 56 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 76. Light west wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 76 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of showers after 11pm. Partly cloudy, with a low around 55. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: 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 30 mph.

    High: 71 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 11pm. Increasing clouds, with a low around 54. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Chance
    Showers

  • Sunday

    Sunday: Showers. High near 65. Chance of precipitation is 80%.

    High: 65 °F

    Showers

  • Sunday Night

    Sunday Night: A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.

    Low: 48 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers after 11am. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. Southwest wind 10 to 15 mph becoming light west after midnight. Winds could gust as high as 20 mph.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 76. Light west wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Friday Night
A slight chance of showers after 11pm. Partly cloudy, with a low around 55. Southwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Saturday
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 30 mph.
Saturday Night
A chance of showers after 11pm. Increasing clouds, with a low around 54. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers. High near 65. Chance of precipitation is 80%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Monday
A chance of showers after 11am. Partly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Sunny, with a high near 73.
Tuesday Night
Clear, with a low around 50.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Ontario International Arpt CA
 34.04°N 117.55°W (Elev. 853 ft)
Last Update:
1:16 pm PDT Apr 9, 2026
Forecast Valid:
4pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation