Mount Vernon Weather Forecast

    • 44
    • 55

    Rain Showers

    • 45
    • 55

    Rain Showers

    • 40
    • 54

    Chance Rain Showers

    • 39
    • 54

    Chance Rain Showers

    • 40
    • 58

    Partly Sunny

    • 45
    • 64

    Partly Sunny

Today 16 Feb San Bernardino and Riverside County Valleys-The Inland Empire

Mostly cloudy with a chance of Showers this Morning, then Showers this afternoon. Locally heavy rainfall possible this afternoon. Highs 53 to 58. Areas of Winds south 15 to 25 Mph. Gusts to 30 Mph. Becoming 45 Mph this afternoon.

Tonight 16 Feb San Bernardino and Riverside County Valleys-The Inland Empire

Showers and a slight chance of Thunderstorms. Locally heavy rainfall possible. Lows 41 to 45. Areas of Winds west 10 to 20 Mph. Gusts to 30 Mph in the evening.

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Mount Vernon Temperature Statistics

February Temperature

San Bernardino Intl. Airport (4.3 miles)

  • Lowest 14 February, 2026

    41 °F

  • Average February

    59.5 °F

  • Highest 4 February, 2026

    86 °F

Climate (2021–Present)

San Bernardino Intl. Airport (4.3 miles)

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  • Average Low 2021–2026

    54.1 °F

  • Average 2021–2026

    63.1 °F

  • Average High 2021–2026

    80.4 °F
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