Mount Vernon Weather Forecast

    • 49
    • 66

    Rain

    • 50
    • 61

    Chance Rain Showers

    • 47
    • 61

    Rain

    • 45
    • 60

    Chance Rain Showers

    • 47
    • 63

    Partly Sunny

    • 46
    • 63

    Chance Rain Showers

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

Rain and a slight chance of Thunderstorms. Rain may be heavy at Times. Highs 63 to 67. Areas of Winds southeast 10 to 15 Mph with Gusts to 30 Mph becoming southwest with Gusts to 25 Mph this afternoon.

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

Showers likely and a slight chance of Thunderstorms in the Evening, then Showers likely overnight. Cooler. Lows 46 to 51. Areas of Winds south 10 to 15 Mph. Chance of measurable precipitation 70 percent.

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Mount Vernon Temperature Statistics

November Temperature

San Bernardino Intl. Airport (4.3 miles)

  • Lowest 4 November, 2025

    48.2 °F

  • Average November

    64.3 °F

  • Highest 10 November, 2025

    93.2 °F

Climate (2020–Present)

San Bernardino Intl. Airport (4.3 miles)

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  • Average Low 2020–2025

    54 °F

  • Average 2020–2025

    63 °F

  • Average High 2020–2025

    80.3 °F
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