Demuth Weather Forecast

    • 40
    • 82

    Sunny

    • 45
    • 86

    Mostly Sunny

    • 45
    • 83

    Partly Sunny

    • 47
    • 86

    Partly Sunny

    • 48
    • 86

    Mostly Sunny

    • 45
    • 83

    Mostly Sunny

Today 30 Sep Modoc County

Sunny. Highs in the mid 70s to lower 80s. Northeast Winds around 5 Mph shifting to the northwest late this afternoon.

Tonight 30 Sep Modoc County

Mostly clear. Lows in the lower to mid 40s. North Winds 5 to 10 Mph.

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  • Temperature Real-Time

Demuth Temperature Statistics

September Temperature

Alturas (37.3 miles)

  • Lowest 14 September, 2026

    28.7 °F

  • Average September

    57.9 °F

  • Highest 24 September, 2026

    86.6 °F

Climate (2021–2026)

Alturas (37.3 miles)

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  • Average Low 2021–2026

    33.2 °F

  • Average 2021–2026

    49.1 °F

  • Average High 2021–2026

    64.7 °F
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