Big Bear Lake Weather Forecast

    • 34
    • 64

    Mostly Sunny

    • 34
    • 61

    Partly Sunny

    • 31
    • 59

    Mostly Sunny

    • 33
    • 59

    Mostly Sunny

    • 34
    • 62

    Mostly Sunny

    • 31
    • 59

    Mostly Sunny

Today 12 Dec San Bernardino County Mountains

Mostly sunny. Highs 58 to 67 above 6000 feet to 65 to 74 below 6000 feet. Areas of Winds east to 10 Mph in the morning becoming light.

Tonight 12 Dec San Bernardino County Mountains

Partly cloudy. Lows 34 to 44 above 6000 feet to 45 to 53 below 6000 feet. Light Winds becoming west 10 Mph overnight. Near ridge Tops and along desert Slopes, light Winds.

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Big Bear Lake Temperature Statistics

December Temperature

Big Bear City Airport (3.7 miles)

  • Lowest 2 December, 2025

    19.4 °F

  • Average December

    37.6 °F

  • Highest 9 December, 2025

    64.4 °F

Climate (2020–Present)

Big Bear City Airport (3.7 miles)

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  • Average Low 2020–2025

    34 °F

  • Average 2020–2025

    48.9 °F

  • Average High 2020–2025

    59.9 °F
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