Mount Shasta Weather Forecast

    • 29
    • 54

    Sunny

    • 32
    • 51

    Rain/Snow

    • 33
    • 38

    Rain/Snow

    • 34
    • 41

    Rain

    • 31
    • 43

    Rain Likely

    • 26
    • 42

    Rain

Today 29 Jan South Central Siskiyou County

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

Tonight 29 Jan South Central Siskiyou County

Clear. Lows in the mid 20s to lower 30s. Northeast Winds around 5 Mph.

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Mount Shasta Temperature Statistics

January Temperature

Mount Shasta (0 miles)

  • Lowest 26 January, 2025

    15.1 °F

  • Average January

    38 °F

  • Highest 15 January, 2025

    57.7 °F

Climate (2020–Present)

Mount Shasta (0 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    65.6 °F
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