Lake Shastina Weather Forecast

    • 47
    • 75

    Becoming Sunny

    • 54
    • 83

    Sunny

    • 56
    • 89

    Sunny

    • 51
    • 86

    Mostly Sunny

    • 51
    • 82

    Mostly Sunny

    • 53
    • 82

    Mostly Sunny

Today 14 Sep Central Siskiyou County

Sunny. Highs in the lower to mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 14 Sep Central Siskiyou County

Clear. Lows in the mid 40s to lower 50s. North Winds 5 to 10 Mph.

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Lake Shastina Temperature Statistics

September Temperature

Mount Shasta (14.3 miles)

  • Lowest 10 September, 2025

    45 °F

  • Average September

    63.5 °F

  • Highest 1 September, 2025

    90 °F

Climate (2020–Present)

Mount Shasta (14.3 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    65.7 °F
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