Greenhorn Park Weather Forecast

    • 33
    • 50

    Mostly Sunny

    • 44
    • 58

    Mostly Sunny

    • 42
    • 62

    Mostly Sunny

    • 42
    • 62

    Partly Sunny

    • 39
    • 63

    Partly Sunny

    • 47
    • 65

    Partly Sunny

    • 46
    • 62

    Partly Sunny

Today 27 Oct Central Siskiyou County

Sunny. Widespread frost and patchy fog this morning. Highs in the mid 40s to mid 50s. North Winds around 5 Mph.

Tonight 27 Oct Central Siskiyou County

Mostly clear. Lows in the lower to mid 30s. North Winds around 5 Mph.

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Greenhorn Park Temperature Statistics

October Temperature

Montague Siskiyou County Airport (10.6 miles)

  • Lowest 20 October, 2025

    28 °F

  • Average October

    50.8 °F

  • Highest 8 October, 2025

    78.1 °F

Climate (2020–Present)

Montague Siskiyou County Airport (10.6 miles)

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  • Average Low 2020–2025

    39.6 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    68.9 °F
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