Siskiyou Mountain Park Weather Forecast

    • 39
    • 59

    Chance Rain Showers

    • 37
    • 53

    Becoming Sunny

    • 43
    • 67

    Mostly Sunny

    • 44
    • 66

    Slight Chance Rain

    • 41
    • 57

    Chance Rain

    • 41
    • 58

    Mostly Sunny

    • 43
    • 60

    Partly Sunny

Today 22 Oct Jackson County

Mostly cloudy with a 30 percent chance of Showers. Highs in the lower to mid 60s in the Valleys and in the lower 50s to lower 60s at higher Elevations. Northwest Winds 5 to 10 Mph.

Tonight 22 Oct Jackson County

Mostly cloudy with a 10 percent chance of rain early this Evening, then mostly clear well after midnight. Lows in the mid 30s to lower 40s. Northwest Winds around 5 Mph increasing to 10 to 20 Mph late this evening and overnight. Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Siskiyou Mountain Park Temperature Statistics

October Temperature

Montague Siskiyou County Airport (28.6 miles)

  • Lowest 13 October, 2026

    24.7 °F

  • Average October

    58.7 °F

  • Highest 7 October, 2026

    93.7 °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

    69.2 °F
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