Etna Weather Forecast

    • 44
    • 84

    Increasing Clouds

    • 32
    • 61

    Mostly Sunny

    • 30
    • 57

    Mostly Sunny

    • 34
    • 63

    Mostly Sunny

    • 38
    • 67

    Mostly Sunny

    • 39
    • 69

    Mostly Sunny

Today 9 Oct Western Siskiyou County

Sunny. Highs in the mid 70s to mid 80s. Southwest Winds around 5 Mph shifting to the northwest in the late morning and afternoon.

Tonight 9 Oct Western Siskiyou County

Clear in the evening then becoming partly cloudy. Lows in the lower to mid 40s. North Winds 5 to 10 Mph.

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Etna Temperature Statistics

October Temperature

Montague Siskiyou County Airport (31.1 miles)

  • Lowest 1 October, 2026

    40.6 °F

  • Average October

    66.7 °F

  • Highest 7 October, 2026

    91.9 °F

Climate (2021–2026)

Montague Siskiyou County Airport (31.1 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    54 °F

  • Average High 2021–2026

    69.1 °F
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