Mount Vernon Weather Forecast

    • 49
    • 75

    Mostly Sunny

    • 53
    • 79

    Mostly Sunny

    • 49
    • 76

    Mostly Sunny

    • 47
    • 71

    Sunny

    • 50
    • 73

    Mostly Sunny

    • 51
    • 76

    Mostly Sunny

    • 53
    • 81

    Mostly Sunny

Today 2 Mar San Bernardino and Riverside County Valleys-The Inland Empire

Partly cloudy this morning. Becoming mostly sunny. Highs 72 to 79. Areas of Winds south to 10 Mph becoming southwest with Gusts to 25 Mph this afternoon.

Tonight 2 Mar San Bernardino and Riverside County Valleys-The Inland Empire

Mostly clear this evening. Becoming partly cloudy. Colder. Lows 43 to 50. Areas of Winds south to 10 Mph this evening becoming light.

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Mount Vernon Temperature Statistics

March Temperature

San Bernardino Intl. Airport (4.3 miles)

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Climate (2021–Present)

San Bernardino Intl. Airport (4.3 miles)

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  • Average Low 2021–2026

    54.2 °F

  • Average 2021–2026

    63.1 °F

  • Average High 2021–2026

    80.4 °F
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