Lake Catherine Weather Forecast

    • 25
    • 30

    Slight Chance Snow

    • 21
    • 28

    Blizzard

    • 16
    • 24

    Blizzard

    • 12
    • 19

    Blizzard

    • 5
    • 14

    Snow

    • 8
    • 16

    Chance Snow

    • 14
    • 21

    Mostly Sunny

Today 22 Dec Upper San Joaquin River

Mostly sunny. Slight chance of rain and snow early in the Morning, then slight chance of snow late in the morning. Highs 35 to 51. Southwest Winds 5 to 15 Mph. Gusts up to 50 Mph decreasing to 40 Mph in the afternoon. Chance of precipitation 20 percent.

Tonight 22 Dec Upper San Joaquin River

Mostly cloudy. A 20 percent chance of snow late in the night. Near steady temperature in the mid 30s. South Winds 5 to 15 Mph with Gusts to around 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Catherine Temperature Statistics

December Temperature

Mammoth Yosemite Airport (20.5 miles)

  • Lowest 4 December, 2025

    10.4 °F

  • Average December

    38.7 °F

  • Highest 11 December, 2025

    66.2 °F

Climate (2020–Present)

Mammoth Yosemite Airport (20.5 miles)

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  • Average Low 2020–2025

    29.7 °F

  • Average 2020–2025

    46 °F

  • Average High 2020–2025

    60.9 °F
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