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

Hazardous Weather Conditions

Current conditions at

Fontana-Arrow Highway (CQ057)

Lat: 34.10056°NLon: 117.49222°WElev: 1191.0ft.

NA

75°F

24°C

Humidity 12%
Wind Speed WNW 2 MPH
Barometer NA
Dewpoint 21°F (-6°C)
Visibility NA
Last update 11 Jan 01:00 PM PST
Extended Forecast for

Rancho Cucamonga CA

Wind Advisory January 11, 02:10pm until January 12, 02:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory January 11, 02:10pm until January 12, 02:00pm

    NOW until 2:00pm Mon

    Wind Advisory

  • This Afternoon

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 49. Northwest wind around 5 mph.

    Low: 49 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 71. West wind 5 to 10 mph.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 54. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.

    Low: 54 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 76. Light and variable wind becoming north 5 to 10 mph in the afternoon.

    High: 76 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 54.

    Low: 54 °F

    Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 70. West wind around 5 mph.
Tonight
Mostly clear, with a low around 49. Northwest wind around 5 mph.
Monday
Sunny, with a high near 71. West wind 5 to 10 mph.
Monday Night
Clear, with a low around 54. North wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 25 mph.
Tuesday
Sunny, with a high near 76. Light and variable wind becoming north 5 to 10 mph in the afternoon.
Tuesday Night
Clear, with a low around 54.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Clear, with a low around 54.
Thursday
Sunny, with a high near 78.
Thursday Night
Clear, with a low around 53.
Friday
Sunny, with a high near 77.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Rancho Cucamonga CA
 34.13°N 117.57°W (Elev. 1362 ft)
Last Update:
12:07 pm PST Jan 11, 2026
Forecast Valid:
2pm PST Jan 11, 2026-6pm PST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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