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

84°F

29°C

Humidity 30%
Wind Speed WSW 11 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 01 Nov 03:35 PM PDT
Extended Forecast for

3 Miles SE Ontario International Arpt CA

  • Tonight

    Tonight: Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 85. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 57. West wind around 5 mph becoming calm in the evening.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 82. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54. West wind around 5 mph becoming calm in the evening.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Tuesday Night

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

    Low: 53 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 53.

    Low: 53 °F

    Patchy Fog

Detailed Forecast

Tonight
Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light and variable in the evening.
Sunday
Mostly sunny, with a high near 85. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 57. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 82. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 54. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
Patchy fog after 11pm. Otherwise, increasing clouds, with a low around 53.
Thursday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 76.
Thursday Night
Mostly clear, with a low around 55.
Friday
Sunny, with a high near 81.
Friday Night
Clear, with a low around 57.
Saturday
Sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Ontario International Arpt CA
 34.04°N 117.55°W (Elev. 853 ft)
Last Update:
1:41 pm PDT Nov 1, 2025
Forecast Valid:
3pm PDT Nov 1, 2025-6pm PST Nov 8, 2025
 
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