Castle Crags State Park Weather Forecast

    • 60
    • 93

    Mostly Sunny

    • 64
    • 98

    Hot

    • 68
    • 101

    Hot

    • 69
    • 104

    Hot

    • 67
    • 104

    Hot

    • 64
    • 99

    Hot

    • 61
    • 95

    Sunny

Today 7 Aug Shasta Lake Area / Northern Shasta County

Mostly sunny. Highs 79 to 94 higher Elevations. 90 to 100 lower Elevations. Prevailing north Winds up to 10 Mph in the morning becoming light.

Tonight 7 Aug Shasta Lake Area / Northern Shasta County

Partly cloudy. Lows 53 to 68 higher Elevations. 61 to 73 lower Elevations. Prevailing north Winds up to 10 Mph.

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Castle Crags State Park Temperature Statistics

August Temperature

Mount Shasta (10.6 miles)

  • Lowest 5 August, 2025

    46.9 °F

  • Average August

    68.1 °F

  • Highest 1 August, 2025

    88.6 °F

Climate (2020–Present)

Mount Shasta (10.6 miles)

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  • Average Low 2020–2025

    39.5 °F

  • Average 2020–2025

    52.5 °F

  • Average High 2020–2025

    65.7 °F
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