South Jetty Weather Forecast

    • 57
    • 63

    Mostly Sunny

    • 55
    • 65

    Partly Sunny

    • 55
    • 63

    Mostly Cloudy

    • 55
    • 62

    Mostly Cloudy

    • 55
    • 62

    Mostly Cloudy

    • 55
    • 62

    Mostly Cloudy

    • 56
    • 63

    Mostly Cloudy

Today 15 Sep Northern Humboldt Coast

Sunny. Highs 66 to 78. Northwest wind around 10 Mph.

Tonight 15 Sep Northern Humboldt Coast

Mostly clear. Lows 52 to 62. West wind around 5 Mph shifting to the south overnight.

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South Jetty Temperature Statistics

September Temperature

Fortuna Rohnerville Airport (15.5 miles)

  • Lowest 7 September, 2025

    51.8 °F

  • Average September

    58.7 °F

  • Highest 13 September, 2025

    69.8 °F

Climate (2020–Present)

Fortuna Rohnerville Airport (15.5 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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