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

82°F

28°C

Humidity 54%
Wind Speed WSW 14 MPH
Barometer 29.82 in (1009.82 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 23 Sep 06:55 PM PDT
Extended Forecast for

3 Miles SSE Rancho Cucamonga CA

  • Tonight

    Tonight: Clear, with a low around 68. Southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 68 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 68. Southwest wind 5 to 10 mph becoming light and variable in the evening.

    Low: 68 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 94. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 94 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 69. West wind 5 to 10 mph becoming light and variable in the evening.

    Low: 69 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 64 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 68. Southwest wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Thursday
Sunny, with a high near 94. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.
Thursday Night
Clear, with a low around 68. Southwest wind 5 to 10 mph becoming light and variable in the evening.
Friday
Sunny, with a high near 94. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 69. West wind 5 to 10 mph becoming light and variable in the evening.
Saturday
Mostly sunny, with a high near 94.
Saturday Night
Partly cloudy, with a low around 69.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 84.
Monday Night
Clear, with a low around 64.
Tuesday
Sunny, with a high near 89.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Rancho Cucamonga CA
 34.09°N 117.53°W (Elev. 1106 ft)
Last Update:
1:36 pm PDT Sep 23, 2026
Forecast Valid:
7pm PDT Sep 23, 2026-6pm PDT Sep 30, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation