San Bernardino Weather Forecast

    • 45
    • 67

    Mostly Sunny

    • 46
    • 68

    Mostly Cloudy

    • 47
    • 69

    Mostly Sunny

    • 54
    • 73

    Mostly Sunny

    • 53
    • 74

    Mostly Sunny

    • 48
    • 70

    Partly Sunny

    • 46
    • 65

    Mostly Sunny

Today 9 Dec San Bernardino County Mountains

Partly cloudy with isolated Showers in the Morning, then sunny in the afternoon. Not as cool. Highs 40 to 48 above 6000 feet to 48 to 57 below 6000 feet. Areas of Winds north 15 to 25 Mph. Gusts to 40 Mph. Becoming 30 Mph in the afternoon. Near ridge Tops and along desert Slopes, Gusts to 30 Mph. Becoming 25 Mph in the afternoon. Chance of measurable precipitation 20 percent.

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San Bernardino Temperature Statistics

December Temperature

San Bernardino Intl. Airport (2.5 miles)

  • Lowest 1 December, 2019

    44.6 °F

  • Average December

    55.6 °F

  • Highest 2 December, 2019

    73.4 °F

Climate (2010–Present)

San Bernardino Intl. Airport (2.5 miles)

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  • Average Low 2010–Present

    56 °F

  • Average 2010–Present

    66 °F

  • Average High 2010–Present

    82.3 °F
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