South Bay Weather Forecast

    • 56
    • 64

    Chance Rain

    • 55
    • 62

    Rain

    • 53
    • 59

    Rain Likely

    • 52
    • 59

    Slight Chance Rain

    • 53
    • 59

    Mostly Cloudy

    • 54
    • 59

    Mostly Cloudy

    • 55
    • 60

    Partly Sunny

Today 1 Sep Northern Coastal Humboldt

Mostly cloudy. Slight chance of rain in the Morning, then chance of rain in the afternoon. Highs 59 to 69. South wind around 10 Mph.

Tonight 1 Sep Northern Coastal Humboldt

Mostly cloudy. Chance of rain in the Evening, then slight chance of rain overnight. Lows 50 to 60. South wind up to 10 Mph.

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South Bay Temperature Statistics

September Temperature

Fortuna Rohnerville Airport (11.2 miles)

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  • Average September

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Climate (2021–2026)

Fortuna Rohnerville Airport (11.2 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.8 °F
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