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Hazardous Weather Conditions

Current conditions at

Ontario International Airport (KONT)

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

Clear

79°F

26°C

Humidity 47%
Wind Speed N 0 MPH
Barometer 29.91 in (1012.87 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 15 Jul 08:35 AM PDT
Extended Forecast for

3 Miles SSE Rancho Cucamonga CA

Extreme Heat Warning July 15, 10:00am until July 16, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning

  • Today

    Today: Sunny, with a high near 101. Light south wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 101 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 70. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 70 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 99. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 99 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 93. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 93 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 91.

    High: 91 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 101. Light south wind becoming west 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Tonight
Clear, with a low around 70. West 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 99. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Thursday Night
Mostly clear, with a low around 70. West wind 5 to 10 mph becoming light southwest after midnight. Winds could gust as high as 20 mph.
Friday
Mostly sunny, with a high near 93. Light southwest wind increasing to 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 65.
Sunday
Sunny, with a high near 91.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 91.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 92.
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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:
3:27 am PDT Jul 15, 2026
Forecast Valid:
8am PDT Jul 15, 2026-6pm PDT Jul 21, 2026
 
Forecast Discussion
 
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Additional Resources

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