Horse Mountain Creek Mouth Weather Forecast

    • 63
    • 76

    Mostly Sunny

    • 60
    • 74

    Mostly Sunny

    • 59
    • 76

    Mostly Sunny

    • 60
    • 72

    Mostly Cloudy

    • 59
    • 69

    Slight Chance Rain

    • 59
    • 69

    Slight Chance Rain

    • 59
    • 73

    Partly Sunny

Today 15 Sep Southwestern Humboldt

Sunny. Highs 78 to 93. North wind up to 10 Mph.

Tonight 15 Sep Southwestern Humboldt

Clear. Lows 56 to 66. Northeast wind around 10 Mph shifting to the southeast overnight.

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Horse Mountain Creek Mouth Temperature Statistics

September Temperature

Fortuna Rohnerville Airport (32.9 miles)

  • Lowest 7 September, 2025

    51.8 °F

  • Average September

    58.7 °F

  • Highest 13 September, 2025

    69.8 °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

    59.5 °F
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