NWS Forecast for: Fontana CA
Issued by: National Weather Service San Diego, CA
Last Update: 2:11 pm PDT Apr 22, 2021
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  • Tonight

    Tonight: Increasing clouds, with a low around 52. Southwest wind 5 to 10 mph.

    Increasing
    Clouds

    Low: 52 °F

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 71. Light west wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    Decreasing
    Clouds

    High: 71 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 51. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Partly Cloudy


    Low: 51 °F

  • Saturday

    Saturday: Patchy fog before 11am.  Otherwise, mostly sunny, with a high near 73. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    Patchy Fog
    then Sunny

    High: 73 °F

  • Saturday
    Night

    Saturday Night: Patchy fog after 11pm.  Otherwise, partly cloudy, with a low around 50. Southwest wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 25 mph.

    Patchy Fog


    Low: 50 °F

  • Sunday

    Sunday: Patchy fog before 11am.  Otherwise, partly sunny, with a high near 69.

    Patchy Fog
    then Partly
    Sunny

    High: 69 °F

  • Sunday
    Night

    Sunday Night: Showers likely, mainly after 11pm.  Mostly cloudy, with a low around 51. Chance of precipitation is 70%.

    Showers
    Likely

    Low: 51 °F

  • Monday

    Monday: Showers.  Mostly cloudy, with a high near 62.

    Showers


    High: 62 °F

  • Monday
    Night

    Monday Night: A chance of showers, mainly before 11pm.  Mostly cloudy, with a low around 48.

    Chance
    Showers

    Low: 48 °F

  • Tonight: Increasing clouds, with a low around 52. Southwest wind 5 to 10 mph.

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 71. Light west wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph.

    Friday Night: Partly cloudy, with a low around 51. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    Saturday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 73. Light southwest wind increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.

    Saturday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 50. Southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph.

    Sunday: Patchy fog before 11am. Otherwise, partly sunny, with a high near 69.

    Sunday Night: Showers likely, mainly after 11pm. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.

    Monday: Showers. Mostly cloudy, with a high near 62.

    Monday Night: A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 48.

    Tuesday: Mostly sunny, with a high near 71.

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

    Wednesday: Sunny, with a high near 82.

    Wednesday Night: Mostly clear, with a low around 57.

    Thursday: Sunny, with a high near 88.



    Fontana CA
     34.1°N 117.45°W (Elev. 1240 ft)

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