Mount Shasta Weather Forecast

    • 41
    • 69

    Mostly Sunny

    • 44
    • 76

    Sunny

    • 46
    • 80

    Sunny

    • 45
    • 82

    Sunny

    • 43
    • 77

    Mostly Sunny

    • 40
    • 73

    Mostly Sunny

Today 13 Oct South Central Siskiyou County

Sunny. Widespread frost early this morning. Highs in the lower 60s to lower 70s. Northeast Winds around 5 Mph.

Tonight 13 Oct South Central Siskiyou County

Mostly clear. Lows in the mid 30s to mid 40s. North Winds around 5 Mph.

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Mount Shasta Temperature Statistics

October Temperature

Mount Shasta (0 miles)

  • Lowest 11 October, 2026

    36 °F

  • Average October

    64.4 °F

  • Highest 8 October, 2026

    91.7 °F

Climate (2021–2026)

Mount Shasta (0 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    65.9 °F
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