Deadmans Lake Weather Forecast

    • 45
    • 76

    Slight Chance Thunderstorms

    • 46
    • 75

    Slight Chance Thunderstorms

    • 49
    • 77

    Partly Sunny

    • 51
    • 81

    Mostly Sunny

    • 52
    • 83

    Mostly Sunny

    • 52
    • 83

    Mostly Sunny

    • 52
    • 83

    Mostly Sunny

Today 14 Aug San Bernardino County Mountains

Mostly sunny. Highs 67 to 77 above 6000 feet to 73 to 83 below 6000 feet. Areas of Winds south 10 to 20 Mph. Gusts to 25 Mph. Becoming 30 Mph this afternoon.

Tonight 14 Aug San Bernardino County Mountains

Mostly clear. Cooler. Lows 44 to 54 above 6000 feet to 54 to 63 below 6000 feet. Areas of Winds south 10 to 15 Mph with Gusts to 25 Mph. Becoming to 10 Mph overnight.

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Deadmans Lake Temperature Statistics

August Temperature

Big Bear City Airport (5 miles)

  • Lowest 12 August, 2026

    50.2 °F

  • Average August

    70.8 °F

  • Highest 1 August, 2026

    88 °F

Climate (2021–2026)

Big Bear City Airport (5 miles)

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  • Average Low 2021–2026

    33.8 °F

  • Average 2021–2026

    48.9 °F

  • Average High 2021–2026

    60.4 °F
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