Mattole Beach Weather Forecast

    • 56
    • 65

    Increasing Clouds

    • 56
    • 63

    Mostly Cloudy

    • 56
    • 62

    Mostly Cloudy

    • 56
    • 63

    Partly Sunny

    • 56
    • 64

    Mostly Sunny

    • 57
    • 64

    Mostly Cloudy

Today 17 Sep Southwestern Humboldt

Sunny. Highs 76 to 91. North wind 10 to 20 Mph.

Tonight 17 Sep Southwestern Humboldt

Partly cloudy. Slight chance of rain Showers overnight. Lows 52 to 62. North wind 10 to 20 Mph.

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  • Temperature Real-Time

Mattole Beach Temperature Statistics

September Temperature

Fortuna Rohnerville Airport (21.7 miles)

  • Lowest 7 September, 2025

    51.8 °F

  • Average September

    59 °F

  • Highest 14 September, 2025

    71.6 °F

Climate (2020–Present)

Fortuna Rohnerville Airport (21.7 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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