Cape Mendocino Weather Forecast

    • 47
    • 53

    Rain

    • 46
    • 52

    Rain

    • 43
    • 50

    Partly Sunny

    • 45
    • 51

    Partly Sunny

    • 46
    • 54

    Mostly Sunny

    • 48
    • 56

    Mostly Sunny

Today 25 Dec Southwestern Humboldt

Rain Showers and slight chance of Thunderstorms. Windy. Some Thunderstorms may produce heavy rainfall. Highs 46 to 56. South wind 20 to 35 Mph with Gusts at higher Elevations to around 85 Mph.

Tonight 25 Dec Southwestern Humboldt

Rain Showers and slight chance of Thunderstorms in the Evening, then rain overnight. Windy. Near steady temperature in the mid 40s. Some Thunderstorms may produce heavy rainfall in the evening. South wind 15 to 30 Mph with Gusts at higher Elevations to around 60 Mph.

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Cape Mendocino Temperature Statistics

December Temperature

Fortuna Rohnerville Airport (16.2 miles)

  • Lowest 3 December, 2025

    37.4 °F

  • Average December

    49.7 °F

  • Highest 9 December, 2025

    62.6 °F

Climate (2020–Present)

Fortuna Rohnerville Airport (16.2 miles)

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  • Average Low 2020–2025

    45.2 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    59.5 °F
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