Etna Weather Forecast

    • 30
    • 62

    Mostly Cloudy

    • 31
    • 62

    Partly Sunny

    • 41
    • 72

    Partly Sunny

    • 42
    • 72

    Partly Sunny

    • 42
    • 71

    Mostly Cloudy

    • 39
    • 58

    Chance Rain

Today 25 Mar Western Siskiyou County

Mostly cloudy with a 10 percent chance of rain early this Morning, then partly cloudy in the late morning and afternoon. Highs in the lower 50s to lower 60s. West Winds 10 to 15 Mph.

Tonight 25 Mar Western Siskiyou County

Mostly cloudy in the evening then becoming partly cloudy. Lows in the mid 20s to mid 30s. Northwest Winds 10 to 15 Mph shifting to the north after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Etna Temperature Statistics

March Temperature

Montague Siskiyou County Airport (31.1 miles)

  • Lowest 11 March, 2026

    24.7 °F

  • Average March

    48.8 °F

  • Highest 18 March, 2026

    81.6 °F

Climate (2021–Present)

Montague Siskiyou County Airport (31.1 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    69.2 °F
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