Current conditions at

Ontario International Airport (KONT)

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

Clear

71°F

22°C

Humidity 54%
Wind Speed WSW 8 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 20 Jun 07:53 PM PDT
Extended Forecast for

3 Miles SSE Rancho Cucamonga CA

  • Tonight

    Tonight: Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light southwest  after midnight.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy fog before 11am.  Otherwise, sunny, with a high near 82. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. Southwest wind 5 to 10 mph becoming light  after midnight.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 61. Southwest wind 5 to 10 mph becoming light west  after midnight.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light southwest after midnight.
Sunday
Patchy fog before 11am. Otherwise, sunny, with a high near 82. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Sunday Night
Mostly clear, with a low around 58. Southwest wind 5 to 10 mph becoming light after midnight.
Monday
Sunny, with a high near 87. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Mostly clear, with a low around 61. Southwest wind 5 to 10 mph becoming light west after midnight.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 89.
Friday Night
Clear, with a low around 60.
Saturday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Rancho Cucamonga CA
 34.09°N 117.53°W (Elev. 1106 ft)
12:01 pm PDT Jun 20, 2026
8pm PDT Jun 20, 2026-6pm PDT Jun 27, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database