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

48°F

9°C

Humidity 89%
Wind Speed NNE 1 MPH
Barometer NA
Dewpoint 45°F (7°C)
Visibility NA
Last update 14 Apr 05:00 AM PDT
Extended Forecast for

4 Miles SSW Fontana CA

  • Today

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

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 52. Southwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 25 mph.

    Low: 52 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 76. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 53. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 53 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 74. Southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 74 °F

    Patchy Fog
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. Breezy.

    Low: 50 °F

    Mostly Clear
    then Mostly
    Clear and
    Breezy

  • Friday

    Friday: Sunny, with a high near 79. Windy.

    High: 79 °F

    Sunny and
    Windy

  • Friday Night

    Friday Night: Clear, with a low around 52.

    Low: 52 °F

    Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 73. Light and variable wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Tonight
Clear, with a low around 52. Southwest wind 10 to 15 mph becoming light and variable in the evening. Winds could gust as high as 25 mph.
Wednesday
Sunny, with a high near 76. Light and variable wind becoming west 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.
Wednesday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 53. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Patchy fog before 11am. Otherwise, partly sunny, with a high near 74. Southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Thursday Night
Mostly clear, with a low around 50. Breezy.
Friday
Sunny, with a high near 79. Windy.
Friday Night
Clear, with a low around 52.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Fontana CA
 34.05°N 117.47°W (Elev. 951 ft)
Last Update:
2:10 am PDT Apr 14, 2026
Forecast Valid:
7am PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
Forecast Discussion
 
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Additional Resources

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