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

Fontana-Arrow Highway (CQ057)

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

NA

61°F

16°C

Humidity 51%
Wind Speed W 9 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 12 Apr 05:00 PM PDT
Extended Forecast for

4 Miles SSW Fontana CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 47. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 64. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 64 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 49. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 25 mph.

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 73. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 73 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 49. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.

    Low: 49 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 73.

    High: 73 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 51.

    Low: 51 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 47. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Monday
A slight chance of showers. Cloudy, then gradually becoming mostly sunny, with a high near 64. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 49. Southwest wind 10 to 15 mph becoming light after midnight. Winds could gust as high as 25 mph.
Tuesday
Sunny, with a high near 73. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tuesday Night
Clear, with a low around 49. West wind 5 to 10 mph becoming light and variable in the evening. Winds could gust as high as 20 mph.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 51.
Friday
Sunny, with a high near 77.
Friday Night
Clear, with a low around 51.
Saturday
Sunny, with a high near 83.
Saturday Night
Mostly clear, with a low around 54.
Sunday
Sunny, with a high near 85.
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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:
11:50 am PDT Apr 12, 2026
Forecast Valid:
6pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation