Brown Bear Lake Weather Forecast

    • 31
    • 46

    Mostly Sunny

    • 29
    • 46

    Mostly Sunny

    • 25
    • 34

    Chance Snow Showers

    • 28
    • 42

    Mostly Sunny

    • 26
    • 41

    Mostly Cloudy

    • 25
    • 36

    Chance Snow

Today 20 Oct Upper San Joaquin River

Warmer, sunny. Highs 50 to 66. South Winds up to 10 Mph shifting to the southwest in the afternoon.

Tonight 20 Oct Upper San Joaquin River

Mostly clear. Lows 34 to 46. Southwest Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brown Bear Lake Temperature Statistics

October Temperature

Mammoth Yosemite Airport (19.3 miles)

  • Lowest 12 October, 2025

    19.4 °F

  • Average October

    45.4 °F

  • Highest 9 October, 2025

    69.8 °F

Climate (2020–Present)

Mammoth Yosemite Airport (19.3 miles)

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  • Average Low 2020–2025

    29.6 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    60.8 °F
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