Big Creek Mouth Weather Forecast

    • 58
    • 66

    Increasing Clouds

    • 57
    • 65

    Mostly Sunny

    • 56
    • 61

    Partly Sunny

    • 56
    • 62

    Partly Sunny

    • 58
    • 65

    Mostly Sunny

    • 58
    • 69

    Partly Sunny

    • 57
    • 65

    Partly Sunny

Today 18 Aug Southwestern Humboldt

Mostly sunny. Highs 79 to 94. North wind 5 to 15 Mph.

Tonight 18 Aug Southwestern Humboldt

Partly cloudy until late tonight then becoming mostly cloudy. Lows 52 to 62. North wind 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Creek Mouth Temperature Statistics

August Temperature

Fortuna Rohnerville Airport (27.3 miles)

  • Lowest 3 August, 2026

    48.2 °F

  • Average August

    57.4 °F

  • Highest 1 August, 2026

    71.6 °F

Climate (2021–2026)

Fortuna Rohnerville Airport (27.3 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.7 °F
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