Mount Vernon Weather Forecast

    • 54
    • 71

    Increasing Clouds

    • 52
    • 69

    Rain Showers Likely

    • 46
    • 63

    Partly Sunny

    • 49
    • 64

    Rain Showers Likely

    • 48
    • 61

    Rain Showers

    • 46
    • 63

    Slight Chance Rain Showers

Today 15 Nov San Bernardino and Riverside County Valleys-The Inland Empire

Mostly sunny this morning. Becoming partly cloudy. Highs 68 to 73. Light Winds.

Tonight 15 Nov San Bernardino and Riverside County Valleys-The Inland Empire

Mostly cloudy. Lows 46 to 50 in wind Sheltered Areas to 49 to 55 in warmer Locations. Light Winds.

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Mount Vernon Temperature Statistics

November Temperature

San Bernardino Intl. Airport (4.3 miles)

  • Lowest 2 November, 2026

    47.5 °F

  • Average November

    62.1 °F

  • Highest 10 November, 2026

    86 °F

Climate (2021–2026)

San Bernardino Intl. Airport (4.3 miles)

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  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    63.3 °F

  • Average High 2021–2026

    80.3 °F
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