Rio Dell Weather Forecast

    • 51
    • 63

    Decreasing Clouds

    • 51
    • 65

    Partly Sunny

    • 52
    • 64

    Patchy Fog

    • 52
    • 64

    Mostly Cloudy

    • 54
    • 64

    Chance Rain

    • 51
    • 64

    Chance Rain

Today 29 Aug Northern Coastal Humboldt

Mostly cloudy in the morning then becoming partly cloudy. Slight chance of drizzle and patchy fog in the morning. Highs 60 to 70. Northwest wind 5 to 15 Mph.

Tonight 29 Aug Northern Coastal Humboldt

Mostly cloudy. Slight chance of drizzle and patchy fog overnight. Lows 46 to 56. Northwest wind around 15 Mph becoming southwest around 5 Mph overnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rio Dell Temperature Statistics

August Temperature

Fortuna Rohnerville Airport (3.7 miles)

  • Lowest 3 August, 2026

    48.2 °F

  • Average August

    57.7 °F

  • Highest 26 August, 2026

    73.4 °F

Climate (2021–2026)

Fortuna Rohnerville Airport (3.7 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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