Rio Dell Weather Forecast

    • 46
    • 56

    Chance Drizzle

    • 46
    • 58

    Chance Drizzle

    • 50
    • 59

    Chance Rain

    • 49
    • 58

    Chance Rain

    • 47
    • 58

    Mostly Cloudy

    • 45
    • 60

    Partly Sunny

Today 7 Dec Northern Humboldt Coast

Mostly cloudy. Slight chance of drizzle in the morning. Chance of drizzle and patchy fog in the afternoon. Chance of rain through the day. Highs 53 to 63. South wind around 5 Mph.

Tonight 7 Dec Northern Humboldt Coast

Mostly cloudy. Slight chance of drizzle and patchy fog through the night. Lows 41 to 51. Southeast wind around 5 Mph in the evening becoming light.

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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

    46.4 °F

  • Highest 4 December, 2025

    57.2 °F

Climate (2020–Present)

Fortuna Rohnerville Airport (3.7 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    51.2 °F

  • Average High 2020–2025

    59.5 °F
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