Cape Mendocino Weather Forecast

    • 49
    • 54

    Breezy

    • 49
    • 55

    Breezy

    • 50
    • 57

    Breezy

    • 51
    • 58

    Mostly Sunny

    • 52
    • 56

    Mostly Sunny

Today 16 May Southwestern Humboldt

Mostly cloudy in the morning then becoming partly cloudy. Patchy drizzle in the morning. Windy. Highs 49 to 64. North wind 15 to 30 Mph with Gusts at higher Elevations to around 45 Mph.

Tonight 16 May Southwestern Humboldt

Mostly cloudy in the evening then becoming partly cloudy. Windy. Lows 39 to 49. North wind 15 to 30 Mph with Gusts at higher Elevations to around 50 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cape Mendocino Temperature Statistics

May Temperature

Fortuna Rohnerville Airport (16.2 miles)

  • Lowest 8 May, 2026

    46.4 °F

  • Average May

    52.8 °F

  • Highest 12 May, 2026

    66.2 °F

Climate (2021–Present)

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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