Siskiyou Mountain Park Weather Forecast

    • 45
    • 54

    Mostly Sunny

    • 44
    • 56

    Becoming Sunny

    • 40
    • 59

    Sunny

    • 38
    • 59

    Sunny

    • 39
    • 60

    Sunny

    • 39
    • 60

    Sunny

    • 39
    • 60

    Mostly Sunny

Today 11 Jan Jackson County

Sunny. Highs in the mid 40s to lower 50s. Southeast Winds around 5 Mph.

Tonight 11 Jan Jackson County

Mostly clear this evening then becoming partly cloudy. Lows in the mid 20s to lower 30s in the Valleys and in the lower 30s to lower 40s at higher Elevations. East Winds around 5 Mph.

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  • Temperature Real-Time

Siskiyou Mountain Park Temperature Statistics

January Temperature

Montague Siskiyou County Airport (28.6 miles)

  • Lowest 9 January, 2026

    19.9 °F

  • Average January

    39.4 °F

  • Highest 2 January, 2026

    54 °F

Climate (2021–Present)

Montague Siskiyou County Airport (28.6 miles)

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  • Average Low 2021–2026

    39.7 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    69 °F
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