Castella Weather Forecast

    • 47
    • 73

    Mostly Sunny

    • 47
    • 79

    Becoming Sunny

    • 47
    • 80

    Sunny

    • 41
    • 70

    Mostly Sunny

    • 44
    • 72

    Mostly Sunny

    • 47
    • 75

    Partly Sunny

    • 47
    • 76

    Partly Sunny

Today 16 Oct Shasta Lake Area / Northern Shasta County

Sunny, warmer. Highs 59 to 74 higher Elevations. 70 to 78 lower Elevations. Prevailing northeast Winds up to 10 Mph with Gusts to around 25 Mph.

Tonight 16 Oct Shasta Lake Area / Northern Shasta County

Mostly clear. Lows 39 to 54 higher Elevations. 47 to 59 lower Elevations. Prevailing north Winds up to 10 Mph.

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Castella Temperature Statistics

October Temperature

Trinity Center (21.7 miles)

  • Lowest 14 October, 2025

    39.2 °F

  • Average October

    55.6 °F

  • Highest 7 October, 2025

    80.6 °F

Climate (2021–Present)

Trinity Center (21.7 miles)

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  • Average Low 2021–2025

    42.3 °F

  • Average 2021–2025

    55.2 °F

  • Average High 2021–2025

    68.6 °F
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