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

76°F

24°C

Humidity 19%
Wind Speed W 2 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Heat Index76°F (24°C)
Last update 14 Oct 07:00 PM PDT
Extended Forecast for

4 Miles ENE Rancho Cucamonga CA

High Wind Warning October 15, 06:00am until October 17, 08:00pm
Click here for hazard details and duration
High Wind Warning

  • Tonight

    Tonight: Clear, with a low around 61. Light and variable wind becoming north 15 to 20 mph in the evening. Winds could gust as high as 30 mph.

    Low: 61 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Windy, with a north wind 25 to 30 mph, with gusts as high as 50 mph.

    High: 82 °F

    Sunny and
    Windy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. Windy, with a north wind 30 to 35 mph, with gusts as high as 55 mph.

    Low: 66 °F

    Mostly Clear
    and Windy

  • Friday

    Friday: Sunny, with a high near 86. Windy, with a north wind 30 to 35 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 50 mph.

    High: 86 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. Breezy, with a north wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph.

    Low: 65 °F

    Clear and
    Breezy then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 61.

    Low: 61 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 62.

    Low: 62 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 61. Light and variable wind becoming north 15 to 20 mph in the evening. Winds could gust as high as 30 mph.
Thursday
Sunny, with a high near 82. Windy, with a north wind 25 to 30 mph, with gusts as high as 50 mph.
Thursday Night
Mostly clear, with a low around 66. Windy, with a north wind 30 to 35 mph, with gusts as high as 55 mph.
Friday
Sunny, with a high near 86. Windy, with a north wind 30 to 35 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 50 mph.
Friday Night
Mostly clear, with a low around 65. Breezy, with a north wind 20 to 25 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 40 mph.
Saturday
Sunny, with a high near 82.
Saturday Night
Clear, with a low around 61.
Sunday
Sunny, with a high near 81.
Sunday Night
Clear, with a low around 62.
Monday
Sunny, with a high near 78.
Monday Night
Clear, with a low around 58.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 69.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 54.
Wednesday
A chance of showers. Partly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ENE Rancho Cucamonga CA
 34.16°N 117.52°W (Elev. 1736 ft)
Last Update:
12:51 pm PDT Oct 14, 2026
Forecast Valid:
8pm PDT Oct 14, 2026-6pm PDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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