Cape Horn Weather Forecast

    • 64
    • 90

    Sunny

    • 65
    • 91

    Increasing Clouds

    • 62
    • 87

    Chance Rain Showers

    • 60
    • 77

    Chance Rain Showers

    • 60
    • 82

    Mostly Sunny

    • 63
    • 85

    Sunny

    • 62
    • 88

    Partly Sunny

Today 16 Sep Motherlode

Sunny. Highs 86 to 96. Prevailing east Winds up to 10 Mph shifting to the southwest in the afternoon.

Tonight 16 Sep Motherlode

Clear. Lows 62 to 72. Light Winds.

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Cape Horn Temperature Statistics

September Temperature

Nevada County Air Park (7.5 miles)

  • Lowest 10 September, 2025

    55.4 °F

  • Average September

    71.3 °F

  • Highest 2 September, 2025

    95 °F

Climate (2020–Present)

Nevada County Air Park (7.5 miles)

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  • Average Low 2020–2025

    52 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    68.8 °F
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