Siskiyou Mountain Park Weather Forecast

    • 35
    • 46

    Rain/Snow

    • 33
    • 43

    Rain/Snow

    • 27
    • 39

    Mostly Cloudy

    • 30
    • 43

    Partly Sunny

    • 33
    • 48

    Mostly Sunny

    • 35
    • 52

    Mostly Sunny

Today 25 Dec Jackson County

Mostly cloudy. Chance of rain Showers this morning. Rain Showers likely early this Afternoon, then chance of rain Showers late this afternoon. Highs in the mid 40s to lower 50s. Southeast Winds 10 to 15 Mph with Gusts to around 30 Mph. Chance of Showers 60 percent.

Tonight 25 Dec Jackson County

Mostly cloudy. Rain Showers likely in the Evening, then rain and snow Showers likely after midnight. Snow level 3500 feet after midnight. No snow accumulation. Lows in the mid 30s. Southeast Winds 5 to 10 Mph. Gusts up to 30 Mph early in the evening. Chance of precipitation 60 percent.

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Siskiyou Mountain Park Temperature Statistics

December Temperature

Montague Siskiyou County Airport (28.6 miles)

  • Lowest 14 December, 2025

    21 °F

  • Average December

    38.5 °F

  • Highest 6 December, 2025

    57.9 °F

Climate (2020–Present)

Montague Siskiyou County Airport (28.6 miles)

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  • Average Low 2020–2025

    39.7 °F

  • Average 2020–2025

    54.2 °F

  • Average High 2020–2025

    68.9 °F
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