Rio Dell Weather Forecast

    • 48
    • 63

    Mostly Cloudy

    • 48
    • 61

    Mostly Cloudy

    • 51
    • 69

    Mostly Cloudy

    • 51
    • 71

    Mostly Cloudy

    • 48
    • 66

    Partly Sunny

    • 48
    • 63

    Mostly Cloudy

Today 9 May Northern Humboldt Coast

Mostly cloudy. Patchy fog in the morning. Highs 60 to 70. Northwest wind around 10 Mph.

Tonight 9 May Northern Humboldt Coast

Mostly cloudy. Patchy fog overnight. Lows 44 to 54. North wind up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rio Dell Temperature Statistics

May Temperature

Fortuna Rohnerville Airport (3.7 miles)

  • Lowest 1 May, 2026

    48.2 °F

  • Average May

    51.9 °F

  • Highest 5 May, 2026

    60.8 °F

Climate (2021–Present)

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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