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

68°F

20°C

Humidity 11%
Wind Speed NE 10 MPH
Barometer 29.9 in (1012.53 mb)
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Last update 05 Mar 05:53 PM PST
Extended Forecast for

Rancho Cucamonga CA

High Wind Watch March 7, 12:00am until March 7, 06:00pm
Wind Advisory March 5, 06:05pm until March 6, 04:00pm
Click here for hazard details and duration
High Wind Watch
Wind Advisory
  •  
    Wind Advisory March 5, 06:05pm until March 6, 04:00pm

    NOW until 4:00pm Fri

    Wind Advisory

  • Tonight

    Low: 51 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 70. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 53. Light north wind increasing to 5 to 10 mph after midnight.

    Low: 53 °F

    Clear

  • Saturday

    Saturday: Patchy blowing dust between 10am and 1pm. Sunny, with a high near 73. North wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 73 °F

    Patchy
    Blowing Dust

  • Saturday Night

    Saturday Night: Clear, with a low around 55. North wind around 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 51. North wind 5 to 10 mph increasing to 10 to 15 mph after midnight. Winds could gust as high as 25 mph.
Friday
Sunny, with a high near 70. North wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Clear, with a low around 53. Light north wind increasing to 5 to 10 mph after midnight.
Saturday
Patchy blowing dust between 10am and 1pm. Sunny, with a high near 73. North wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Clear, with a low around 55. North wind around 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 80.
Sunday Night
Mostly clear, with a low around 56.
Monday
Sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Clear, with a low around 58.
Thursday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rancho Cucamonga CA
 34.12°N 117.6°W (Elev. 1368 ft)
Last Update:
12:48 pm PST Mar 5, 2026
Forecast Valid:
6pm PST Mar 5, 2026-6pm PDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation