Carlotta Weather Forecast

    • 55
    • 70

    Mostly Cloudy

    • 55
    • 73

    Mostly Cloudy

    • 52
    • 73

    Mostly Cloudy

    • 53
    • 72

    Partly Sunny

    • 54
    • 74

    Partly Sunny

    • 56
    • 75

    Chance Rain

Today 18 Sep Northern Humboldt Coast

Mostly cloudy. Patchy fog in the morning. Highs 64 to 74. West wind around 10 Mph.

Tonight 18 Sep Northern Humboldt Coast

Mostly cloudy. Patchy dense fog overnight. Slight chance of rain Showers overnight. Lows 51 to 61. West wind around 10 Mph.

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Carlotta Temperature Statistics

September Temperature

Fortuna Rohnerville Airport (3.7 miles)

  • Lowest 7 September, 2025

    51.8 °F

  • Average September

    59 °F

  • Highest 14 September, 2025

    71.6 °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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