National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Ontario International Airport (KONT)

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

Clear

63°F

17°C

Humidity 82%
Wind Speed N 0 MPH
Barometer 29.95 in (1014.22 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 03 Jul 02:05 AM PDT
Extended Forecast for

3 Miles SSE Rancho Cucamonga CA

  • Overnight

    Overnight: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 87. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 87 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 61 °F

    Partly Cloudy

  • Independence Day

    Independence Day: Partly sunny, with a high near 86. Light south wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 86 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 63. West wind 5 to 10 mph becoming light southwest after midnight.

    Low: 63 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 89.

    High: 89 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 63.

    Low: 63 °F

    Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 60. Calm wind.
Friday
Mostly sunny, with a high near 87. Light and variable wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 61. West wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Independence Day
Partly sunny, with a high near 86. Light south wind becoming west 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 63. West wind 5 to 10 mph becoming light southwest after midnight.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 62.
Monday
Sunny, with a high near 89.
Monday Night
Clear, with a low around 63.
Tuesday
Sunny, with a high near 92.
Tuesday Night
Clear, with a low around 64.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Clear, with a low around 64.
Thursday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Rancho Cucamonga CA
 34.09°N 117.53°W (Elev. 1106 ft)
Last Update:
1:06 am PDT Jul 3, 2026
Forecast Valid:
2am PDT Jul 3, 2026-6pm PDT Jul 9, 2026
 
Forecast Discussion
 
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Additional Resources

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