Castella Weather Forecast

    • 59
    • 92

    Sunny

    • 60
    • 95

    Sunny

    • 60
    • 94

    Partly Sunny

    • 57
    • 84

    Partly Sunny

    • 57
    • 85

    Partly Sunny

    • 58
    • 89

    Mostly Sunny

Today 16 Sep Shasta Lake Area / Northern Shasta County

Sunny. Highs 78 to 93 higher Elevations. 88 to 96 lower Elevations. Prevailing northeast Winds up to 10 Mph shifting to the south in the afternoon.

Tonight 16 Sep Shasta Lake Area / Northern Shasta County

Clear. Lows 51 to 66 higher Elevations. 58 to 70 lower Elevations. Light Winds becoming north up to 10 Mph after midnight.

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Castella Temperature Statistics

September Temperature

Trinity Center (21.7 miles)

  • Lowest 14 September, 2025

    50 °F

  • Average September

    69.2 °F

  • Highest 1 September, 2025

    95 °F

Climate (2020–Present)

Trinity Center (21.7 miles)

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  • Average Low 2020–2025

    42.2 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    68.5 °F
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