Cape Mendocino Weather Forecast

    • 51
    • 58

    Mostly Cloudy

    • 52
    • 60

    Mostly Cloudy

    • 52
    • 58

    Mostly Cloudy

    • 53
    • 59

    Mostly Cloudy

    • 54
    • 58

    Mostly Cloudy

    • 54
    • 58

    Mostly Cloudy

Today 15 Aug Southwestern Humboldt

Mostly cloudy then becoming partly cloudy late in the morning then becoming mostly cloudy. Highs 68 to 83. North wind 5 to 15 Mph.

Tonight 15 Aug Southwestern Humboldt

Mostly cloudy in the evening then becoming partly cloudy. Lows 49 to 59. North wind 5 to 15 Mph.

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Cape Mendocino Temperature Statistics

August Temperature

Fortuna Rohnerville Airport (16.2 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 (16.2 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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