Siskiyou Mountain Park Weather Forecast

    • 55
    • 89

    Sunny

    • 42
    • 76

    Chance Rain

    • 35
    • 57

    Partly Sunny

    • 36
    • 60

    Mostly Sunny

    • 40
    • 65

    Mostly Sunny

    • 42
    • 67

    Partly Sunny

    • 42
    • 66

    Mostly Sunny

Today 8 Oct Jackson County

Mostly clear. Lows around 40. Highs in the mid 60s to mid 70s.

Tonight 8 Oct Jackson County

Clear. Lows in the mid 40s to mid 50s. Northwest Winds around 5 Mph shifting to the northeast after Midnight, then becoming light well after midnight.

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Siskiyou Mountain Park Temperature Statistics

October Temperature

Montague Siskiyou County Airport (28.6 miles)

  • Lowest 1 October, 2026

    40.6 °F

  • Average October

    66.7 °F

  • Highest 5 October, 2026

    91 °F

Climate (2021–2026)

Montague Siskiyou County Airport (28.6 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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