Mount Shasta Ski Park Weather Forecast

    • 43
    • 74

    Mostly Sunny

    • 42
    • 68

    Slight Chance Thunderstorms

    • 44
    • 68

    Mostly Sunny

    • 47
    • 75

    Sunny

    • 48
    • 78

    Mostly Sunny

    • 49
    • 79

    Mostly Sunny

Today 15 Sep South Central Siskiyou County

Sunny. Highs in the lower 70s to lower 80s. Northeast Winds 5 to 10 Mph shifting to the southwest in the afternoon.

Tonight 15 Sep South Central Siskiyou County

Mostly clear. A 10 percent chance of Showers after midnight. Lows in the mid 30s to mid 40s. Southwest Winds 5 to 10 Mph shifting to the north late in the evening and overnight.

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Mount Shasta Ski Park Temperature Statistics

September Temperature

Mount Shasta (6.2 miles)

  • Lowest 4 September, 2026

    33.7 °F

  • Average September

    58.3 °F

  • Highest 9 September, 2026

    90.6 °F

Climate (2021–2026)

Mount Shasta (6.2 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    65.7 °F
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