Mount Pierce Weather Forecast

    • 42
    • 61

    Partly Sunny

    • 42
    • 58

    Partly Sunny

    • 43
    • 61

    Mostly Sunny

    • 50
    • 62

    Partly Sunny

    • 51
    • 64

    Partly Sunny

    • 50
    • 64

    Partly Sunny

    • 51
    • 65

    Mostly Sunny

Today 26 Sep Southwestern Humboldt

Mostly clear. Lows 48 to 58. Highs 75 to 90.

Tonight 26 Sep Southwestern Humboldt

Partly cloudy then becoming mostly cloudy in the late evening and overnight then becoming partly cloudy. Lows 42 to 52. North wind up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mount Pierce Temperature Statistics

September Temperature

Fortuna Rohnerville Airport (9.3 miles)

  • Lowest 4 September, 2026

    46.4 °F

  • Average September

    57.5 °F

  • Highest 9 September, 2026

    82.4 °F

Climate (2021–2026)

Fortuna Rohnerville Airport (9.3 miles)

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  • Average Low 2021–2026

    45.4 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.8 °F
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