NWS Forecast for: Fontana CA
Issued by: National Weather Service San Diego, CA
Last Update: 1:11 pm PDT May 19, 2019
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  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm.  Mostly cloudy, with a low around 50. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    Low: 50 °F

  • Monday

    Monday: A slight chance of showers before 11am.  Mostly sunny, with a high near 66. Light south wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph.  Chance of precipitation is 20%.

    Slight Chance
    Showers then
    Mostly Sunny

    High: 66 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 53. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Mostly Cloudy


    Low: 53 °F

  • Tuesday

    Tuesday: A chance of showers after 11am.  Mostly cloudy, with a high near 62. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    High: 62 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers, mainly before 11pm.  Mostly cloudy, with a low around 51. Southwest wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 25 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers

    Low: 51 °F

  • Wednesday

    Wednesday: A slight chance of showers.  Mostly sunny, with a high near 66. Chance of precipitation is 20%.

    Slight Chance
    Showers

    High: 66 °F

  • Wednesday
    Night

    Wednesday Night: A slight chance of showers.  Mostly cloudy, with a low around 52. Chance of precipitation is 20%.

    Slight Chance
    Showers

    Low: 52 °F

  • Thursday

    Thursday: A slight chance of showers.  Partly sunny, with a high near 68.

    Slight Chance
    Showers

    High: 68 °F

  • Thursday
    Night

    Thursday Night: A slight chance of showers before 11pm.  Partly cloudy, with a low around 53.

    Slight Chance
    Showers then
    Mostly Clear

    Low: 53 °F

  • Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 11pm. Mostly cloudy, with a low around 50. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Monday: A slight chance of showers before 11am. Mostly sunny, with a high near 66. Light south wind becoming southwest 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.

    Monday Night: Mostly cloudy, with a low around 53. West wind 5 to 15 mph, with gusts as high as 20 mph.

    Tuesday: A chance of showers after 11am. Mostly cloudy, with a high near 62. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Tuesday Night: A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 51. Southwest wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Wednesday: A slight chance of showers. Mostly sunny, with a high near 66. Chance of precipitation is 20%.

    Wednesday Night: A slight chance of showers. Mostly cloudy, with a low around 52. Chance of precipitation is 20%.

    Thursday: A slight chance of showers. Partly sunny, with a high near 68.

    Thursday Night: A slight chance of showers before 11pm. Partly cloudy, with a low around 53.

    Friday: Mostly sunny, with a high near 71.

    Friday Night: Partly cloudy, with a low around 54.

    Saturday: A slight chance of showers. Partly sunny, with a high near 69.

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 53.

    Sunday: A chance of showers. Mostly sunny, with a high near 69.



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

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