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.

Partly Cloudy

84°F

29°C

Humidity 39%
Wind Speed WSW 9 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 23 Jun 01:53 PM PDT
Extended Forecast for

2 Miles SSW Rancho Cucamonga CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 91. West wind around 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 64. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 91. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 91 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 25 mph.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 91. West wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 64. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 91. Light southwest wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 63. Southwest wind 5 to 10 mph becoming light after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 87. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Thursday Night
Mostly clear, with a low around 59.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 58.
Saturday
Sunny, with a high near 79.
Saturday Night
Mostly clear, with a low around 57.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 56.
Monday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Rancho Cucamonga CA
 34.1°N 117.59°W (Elev. 1224 ft)
Last Update:
12:04 pm PDT Jun 23, 2026
Forecast Valid:
2pm PDT Jun 23, 2026-6pm PDT Jun 29, 2026
 
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Additional Resources

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