Bear Mountain Weather Forecast

    • 39
    • 68

    Mostly Sunny

    • 38
    • 62

    Mostly Sunny

    • 37
    • 60

    Partly Sunny

    • 36
    • 58

    Partly Sunny

    • 33
    • 58

    Partly Sunny

    • 32
    • 51

    Chance Rain Showers

Today 18 Dec San Bernardino County Mountains

Mostly sunny. Warmer. Highs 63 to 70 above 6000 feet to 67 to 77 below 6000 feet. Areas of Winds west 10 Mph.

Tonight 18 Dec San Bernardino County Mountains

Mostly clear. Lows 37 to 47 above 6000 feet to 46 to 56 below 6000 feet. Areas of Winds west 10 to 15 Mph. Gusts to 25 Mph. Becoming 30 Mph overnight.

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Bear Mountain Temperature Statistics

December Temperature

Big Bear City Airport (2.5 miles)

  • Lowest 2 December, 2025

    19.4 °F

  • Average December

    40.7 °F

  • Highest 9 December, 2025

    64.4 °F

Climate (2020–Present)

Big Bear City Airport (2.5 miles)

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  • Average Low 2020–2025

    34 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    60 °F
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