Greenhorn Park Weather Forecast

    • 49
    • 77

    Sunny

    • 52
    • 80

    Sunny

    • 55
    • 82

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

    • 57
    • 85

    Mostly Sunny

Today 29 Sep Central Siskiyou County

Sunny. Highs in the mid 70s to lower 80s. Southeast Winds around 5 Mph shifting to the northeast in the late morning and early Afternoon, then shifting to the north late this afternoon.

Tonight 29 Sep Central Siskiyou County

Clear. Lows in the mid 40s to lower 50s. North Winds 10 to 15 Mph decreasing to around 5 Mph after midnight.

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Greenhorn Park Temperature Statistics

September Temperature

Montague Siskiyou County Airport (10.6 miles)

  • Lowest 4 September, 2026

    35.7 °F

  • Average September

    60.9 °F

  • Highest 10 September, 2026

    94.6 °F

Climate (2021–2026)

Montague Siskiyou County Airport (10.6 miles)

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  • Average Low 2021–2026

    39.2 °F

  • Average 2021–2026

    53.9 °F

  • Average High 2021–2026

    69 °F
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