Siskiyou County Airport Weather Forecast

    • 30
    • 57

    Decreasing Clouds

    • 29
    • 57

    Mostly Sunny

    • 30
    • 57

    Mostly Sunny

    • 30
    • 58

    Partly Sunny

    • 34
    • 56

    Mostly Cloudy

    • 38
    • 55

    Chance Rain

Today 10 Dec Central Siskiyou County

Partly cloudy this morning then clearing. Patchy fog this morning. Highs in the mid 50s to lower 60s. Southeast Winds around 5 Mph shifting to the southwest late this afternoon.

Tonight 10 Dec Central Siskiyou County

Mostly clear. Lows in the lower 30s to lower 40s. Southwest Winds around 5 Mph.

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Siskiyou County Airport Temperature Statistics

December Temperature

Montague Siskiyou County Airport (0 miles)

  • Lowest 1 December, 2025

    21.9 °F

  • Average December

    37.9 °F

  • Highest 6 December, 2025

    57.9 °F

Climate (2020–Present)

Montague Siskiyou County Airport (0 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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