Castella Weather Forecast

    • 54
    • 85

    Sunny

    • 53
    • 87

    Sunny

    • 52
    • 81

    Sunny

    • 53
    • 81

    Sunny

    • 55
    • 87

    Sunny

    • 54
    • 88

    Mostly Sunny

Today 14 Sep Shasta Lake Area and Interstate 5 Between 1000-3000 ft

Sunny, warmer. Highs 79 to 89. Northeast Winds up to 15 Mph with Gusts to around 30 Mph.

Tonight 14 Sep Shasta Lake Area and Interstate 5 Between 1000-3000 ft

Clear. Lows 51 to 61. North Winds up to 10 Mph with Gusts to around 20 Mph.

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Castella Temperature Statistics

September Temperature

Trinity Center (21.7 miles)

  • Lowest 4 September, 2026

    42.8 °F

  • Average September

    63.4 °F

  • Highest 9 September, 2026

    95 °F

Climate (2021–2026)

Trinity Center (21.7 miles)

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  • Average Low 2021–2026

    42.8 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    68.9 °F
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