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

81°F

27°C

Humidity 19%
Wind Speed SW 4 MPH
Barometer 30.04 in (1017.27 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 10 Nov 04:55 PM PST
Extended Forecast for

3 Miles SE Ontario International Arpt CA

  • Tonight

    Tonight: Clear, with a low around 57. Calm wind becoming northeast around 5 mph.

    Low: 57 °F

    Clear

  • Veterans Day

    Veterans Day: Sunny, with a high near 86. Calm wind becoming west around 5 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 57. Calm wind becoming northeast around 5 mph.

    Low: 57 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.

    Low: 55 °F

    Chance
    Showers

  • Saturday

    Saturday: A chance of showers, mainly before 10am. Partly sunny, with a high near 71.

    High: 71 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A slight chance of showers after 10pm. Partly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Clear, with a low around 57. Calm wind becoming northeast around 5 mph.
Veterans Day
Sunny, with a high near 86. Calm wind becoming west around 5 mph.
Wednesday Night
Clear, with a low around 57. Calm wind becoming northeast around 5 mph.
Thursday
Sunny, with a high near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 57. Northwest wind around 5 mph becoming calm.
Friday
A slight chance of showers. Partly sunny, with a high near 74. Chance of precipitation is 20%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 55. Chance of precipitation is 50%.
Saturday
A chance of showers, mainly before 10am. Partly sunny, with a high near 71.
Saturday Night
A slight chance of showers after 10pm. Partly cloudy, with a low around 53.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
A slight chance of showers. Partly cloudy, with a low around 54.
Monday
A chance of showers. Partly sunny, with a high near 68.
Monday Night
Showers likely. Mostly cloudy, with a low around 50.
Tuesday
A chance of showers. Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Ontario International Arpt CA
 34.04°N 117.55°W (Elev. 853 ft)
Last Update:
12:37 pm PST Nov 10, 2026
Forecast Valid:
5pm PST Nov 10, 2026-6pm PST Nov 17, 2026
 
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Additional Resources

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Chance of Precipitation