Mount Shasta Peak Weather Forecast

    • 29
    • 38

    Breezy

    • 25
    • 34

    Breezy

    • 27
    • 29

    Partly Sunny

    • 22
    • 28

    Snow Likely

    • 15
    • 26

    Snow

    • 11
    • 19

    Snow Likely

Today 12 Dec North Central and Southeast Siskiyou County

Sunny. Highs in the mid 50s to lower 60s. Northeast Winds 5 to 10 Mph.

Tonight 12 Dec North Central and Southeast Siskiyou County

Partly cloudy in the evening then becoming mostly clear. Lows in the mid 30s to mid 40s. East Winds around 5 Mph.

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Mount Shasta Peak Temperature Statistics

December Temperature

Mount Shasta (8.7 miles)

  • Lowest 1 December, 2025

    27 °F

  • Average December

    40.4 °F

  • Highest 8 December, 2025

    59 °F

Climate (2020–Present)

Mount Shasta (8.7 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    65.5 °F
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