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

73°F

23°C

Humidity 36%
Wind Speed WSW 6 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 16 Apr 04:00 PM PDT
Extended Forecast for

4 Miles SSW Fontana CA

Wind Advisory April 17, 05:00am until April 17, 05:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 53. Northwest wind 5 to 10 mph becoming north 15 to 20 mph. Winds could gust as high as 30 mph.

    Low: 53 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Windy, with a north wind 25 to 30 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 50 mph.

    High: 79 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Clear, with a low around 54. Northwest wind 5 to 10 mph becoming southeast after midnight.

    Low: 54 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 85. East wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56. Southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.

    Low: 56 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 53. Northwest wind 5 to 10 mph becoming north 15 to 20 mph. Winds could gust as high as 30 mph.
Friday
Sunny, with a high near 79. Windy, with a north wind 25 to 30 mph decreasing to 20 to 25 mph in the afternoon. Winds could gust as high as 50 mph.
Friday Night
Clear, with a low around 54. Northwest wind 5 to 10 mph becoming southeast after midnight.
Saturday
Sunny, with a high near 85. East wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 56. Southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 79.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 72.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Fontana CA
 34.05°N 117.47°W (Elev. 951 ft)
Last Update:
11:48 am PDT Apr 16, 2026
Forecast Valid:
5pm PDT Apr 16, 2026-6pm PDT Apr 23, 2026
 
Forecast Discussion
 
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Additional Resources

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