Mount Vernon Weather Forecast

    • 49
    • 63

    Rain Showers

    • 50
    • 66

    Mostly Cloudy

    • 51
    • 66

    Rain Showers Likely

    • 50
    • 64

    Rain Showers Likely

    • 47
    • 63

    Chance Rain Showers

    • 46
    • 63

    Chance Rain Showers

Today 1 Jan San Bernardino and Riverside County Valleys-The Inland Empire

Mostly cloudy with a chance of Showers in the Evening, then partly cloudy with a slight chance of Showers overnight. Lows 45 to 51. Light Winds. Chance of measurable precipitation 50 percent.

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Mount Vernon Temperature Statistics

January Temperature

San Bernardino Intl. Airport (4.3 miles)

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  • Average January

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Climate (2021–Present)

San Bernardino Intl. Airport (4.3 miles)

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  • Average Low 2021–2025

    54.1 °F

  • Average 2021–2025

    63.1 °F

  • Average High 2021–2025

    80.3 °F
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