Rio Dell Weather Forecast

    • 37
    • 57

    Patchy Fog

    • 42
    • 58

    Partly Sunny

    • 45
    • 55

    Rain Likely

    • 47
    • 53

    Rain

    • 45
    • 54

    Rain Likely

    • 44
    • 52

    Rain Likely

Today 29 Dec Northern Humboldt Coast

Sunny. Highs 54 to 64. South wind around 5 Mph.

Tonight 29 Dec Northern Humboldt Coast

Mostly cloudy. Patchy fog. Lows 37 to 47. East wind around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rio Dell Temperature Statistics

December Temperature

Fortuna Rohnerville Airport (3.7 miles)

  • Lowest 3 December, 2025

    37.4 °F

  • Average December

    49.4 °F

  • Highest 9 December, 2025

    62.6 °F

Climate (2020–Present)

Fortuna Rohnerville Airport (3.7 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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