Rio Dell Weather Forecast

    • 42
    • 51

    Cloudy

    • 41
    • 56

    Partly Sunny

    • 38
    • 54

    Mostly Sunny

    • 39
    • 59

    Mostly Cloudy

    • 41
    • 56

    Mostly Cloudy

    • 43
    • 57

    Mostly Cloudy

Today 21 Jan Northern Humboldt Coast

Mostly cloudy. Patchy fog. Highs 46 to 56. Northwest wind around 5 Mph.

Tonight 21 Jan Northern Humboldt Coast

Mostly cloudy. Patchy fog. Lows 38 to 48. East wind around 5 Mph.

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Rio Dell Temperature Statistics

January Temperature

Fortuna Rohnerville Airport (3.7 miles)

  • Lowest 9 January, 2026

    32 °F

  • Average January

    46.2 °F

  • Highest 16 January, 2026

    64.4 °F

Climate (2021–Present)

Fortuna Rohnerville Airport (3.7 miles)

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  • Average Low 2021–2026

    45.1 °F

  • Average 2021–2026

    51.2 °F

  • Average High 2021–2026

    59.4 °F
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