Deadmans Lake Weather Forecast

    • 36
    • 62

    Partly Sunny

    • 35
    • 60

    Mostly Cloudy

    • 32
    • 59

    Mostly Cloudy

    • 31
    • 55

    Rain Showers

    • 31
    • 46

    Rain Showers

    • 28
    • 45

    Rain/Snow

Today 20 Dec San Bernardino County Mountains

Partly cloudy. Highs 55 to 64 above 6000 feet to 61 to 69 below 6000 feet. Areas of Winds west 10 to 15 Mph.

Tonight 20 Dec San Bernardino County Mountains

Partly cloudy. Lows 34 to 44 above 6000 feet to 44 to 53 below 6000 feet. Areas of Winds west 10 Mph.

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Deadmans Lake Temperature Statistics

December Temperature

Big Bear City Airport (5 miles)

  • Lowest 2 December, 2025

    19.4 °F

  • Average December

    41.2 °F

  • Highest 9 December, 2025

    64.4 °F

Climate (2020–Present)

Big Bear City Airport (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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