Shasta National Forest Weather Forecast

    • 49
    • 75

    Mostly Sunny

    • 50
    • 78

    Partly Sunny

    • 47
    • 74

    Partly Sunny

    • 43
    • 65

    Mostly Sunny

    • 44
    • 66

    Partly Sunny

    • 41
    • 65

    Mostly Sunny

Today 22 Sep Eastern Shasta County Mountains and Southern Cascades Above 3000 ft

Mostly sunny. Highs 69 to 79. Light Winds becoming southwest up to 10 Mph in the afternoon.

Tonight 22 Sep Eastern Shasta County Mountains and Southern Cascades Above 3000 ft

Clear. Lows 43 to 53. Light Winds.

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Shasta National Forest Temperature Statistics

September Temperature

Mount Shasta (19.3 miles)

  • Lowest 4 September, 2026

    33.7 °F

  • Average September

    58.6 °F

  • Highest 9 September, 2026

    90.6 °F

Climate (2021–2026)

Mount Shasta (19.3 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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