Rio Dell Weather Forecast

    • 51
    • 68

    Patchy Fog

    • 55
    • 71

    Mostly Cloudy

    • 55
    • 70

    Cloudy

    • 54
    • 70

    Patchy Fog

    • 53
    • 69

    Areas Fog

    • 52
    • 67

    Mostly Cloudy

Today 18 Jul Northern Coastal Humboldt

Mostly cloudy until early afternoon then becoming partly cloudy. Patchy fog in the morning. Highs 62 to 76. West wind around 10 Mph.

Tonight 18 Jul Northern Coastal Humboldt

Mostly cloudy. Patchy fog. Lows 47 to 57. West wind around 10 Mph.

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Rio Dell Temperature Statistics

July Temperature

Fortuna Rohnerville Airport (3.7 miles)

  • Lowest 1 July, 2026

    50 °F

  • Average July

    53.9 °F

  • Highest 4 July, 2026

    66.2 °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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