Etna Weather Forecast

    • 35
    • 48

    Rain

    • 32
    • 43

    Rain

    • 25
    • 43

    Rain

    • 21
    • 39

    Partly Sunny

    • 25
    • 42

    Mostly Sunny

    • 28
    • 46

    Mostly Sunny

    • 30
    • 51

    Mostly Sunny

Today 24 Dec Western Siskiyou County

Partly cloudy early this afternoon then becoming mostly cloudy. A 40 percent chance of rain and snow. Snow may be heavy at Times early this afternoon. Snow level 4500 feet. Highs in the lower 40s to lower 50s. South Winds 10 to 15 Mph.

Tonight 24 Dec Western Siskiyou County

Mostly cloudy. Chance of rain and snow in the Evening, then Rain, snow and slight chance of Thunderstorms after midnight. Snow level 5000 feet. Snow accumulation of 4 to 7 Inches. Lows in the lower 30s to lower 40s. Southeast Winds 10 to 20 Mph. Chance of precipitation 90 percent.

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Etna Temperature Statistics

December Temperature

Montague Siskiyou County Airport (31.1 miles)

  • Lowest 14 December, 2025

    21 °F

  • Average December

    38.4 °F

  • Highest 6 December, 2025

    57.9 °F

Climate (2020–Present)

Montague Siskiyou County Airport (31.1 miles)

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  • Average Low 2020–2025

    39.7 °F

  • Average 2020–2025

    54.2 °F

  • Average High 2020–2025

    68.9 °F
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