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

63°F

17°C

Humidity 75%
Wind Speed N 0 MPH
Barometer 29.89 in (1012.19 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 23 Mar 02:53 AM PDT
Extended Forecast for

3 Miles ESE Ontario International Arpt CA

  • Overnight

    Overnight: Clear, with a low around 60. Calm wind.

    Low: 60 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 88. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 61. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.

    Low: 61 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 90. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 90 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 61. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 61 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 60. Calm wind.
Monday
Sunny, with a high near 88. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Monday Night
Clear, with a low around 61. Southwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph.
Tuesday
Sunny, with a high near 90. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Clear, with a low around 61. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 61.
Friday
Mostly sunny, with a high near 92.
Friday Night
Partly cloudy, with a low around 62.
Saturday
Mostly sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Sunny, with a high near 89.
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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:
12:26 am PDT Mar 23, 2026
Forecast Valid:
3am PDT Mar 23, 2026-6pm PDT Mar 29, 2026
 
Forecast Discussion
 
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Additional Resources

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