Montague Weather Forecast

    • 32
    • 54

    Mostly Cloudy

    • 34
    • 57

    Mostly Cloudy

    • 33
    • 59

    Partly Sunny

    • 31
    • 59

    Mostly Sunny

    • 30
    • 58

    Mostly Sunny

    • 32
    • 58

    Partly Sunny

Today 8 Dec Central Siskiyou County

Partly cloudy. Patchy fog in the morning. Highs in the lower to mid 50s. South Winds around 5 Mph shifting to the west late in the afternoon.

Tonight 8 Dec Central Siskiyou County

Partly cloudy. Lows in the mid 30s to lower 40s. Southwest Winds 5 to 10 Mph.

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Montague Temperature Statistics

December Temperature

Montague Siskiyou County Airport (4.3 miles)

  • Lowest 1 December, 2025

    21.9 °F

  • Average December

    35.6 °F

  • Highest 5 December, 2025

    53.1 °F

Climate (2020–Present)

Montague Siskiyou County Airport (4.3 miles)

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  • Average Low 2020–2025

    39.7 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    68.9 °F
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