Fortuna Weather Forecast

    • 42
    • 53

    Chance Rain

    • 42
    • 57

    Partly Sunny

    • 47
    • 62

    Mostly Cloudy

    • 45
    • 61

    Chance Rain

    • 46
    • 61

    Chance Rain

    • 46
    • 60

    Slight Chance Rain

    • 44
    • 62

    Partly Sunny

Today 31 Oct Northern Coastal Humboldt

Mostly cloudy. Highs 61 to 71.

Tonight 31 Oct Northern Coastal Humboldt

Mostly cloudy until late tonight then becoming partly cloudy. Chance of rain in the evening. Patchy fog through the night. Lows 36 to 46. North wind around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fortuna Temperature Statistics

October Temperature

Fortuna Rohnerville Airport (3.1 miles)

  • Lowest 12 October, 2026

    35.6 °F

  • Average October

    52.2 °F

  • Highest 15 October, 2026

    82.4 °F

Climate (2021–2026)

Fortuna Rohnerville Airport (3.1 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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