Horse Mountain Creek Mouth Weather Forecast

    • 57
    • 67

    Mostly Cloudy

    • 58
    • 68

    Rain Showers

    • 60
    • 66

    Rain Showers

    • 59
    • 67

    Chance Rain Showers

    • 58
    • 70

    Chance Rain Showers

    • 59
    • 72

    Mostly Sunny

Today 6 Sep Southwestern Humboldt

Mostly cloudy until early afternoon then clearing. Patchy fog in the morning. Highs 68 to 83. Northwest wind around 10 Mph.

Tonight 6 Sep Southwestern Humboldt

Partly cloudy. Lows 51 to 61. Northwest wind around 10 Mph in the evening becoming light.

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Horse Mountain Creek Mouth Temperature Statistics

September Temperature

Fortuna Rohnerville Airport (32.9 miles)

  • Lowest 1 September, 2025

    53.6 °F

  • Average September

    57.5 °F

  • Highest 3 September, 2025

    64.4 °F

Climate (2020–Present)

Fortuna Rohnerville Airport (32.9 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    59.6 °F
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