South Bay Weather Forecast

    • 51
    • 58

    Mostly Cloudy

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    • 57

    Mostly Cloudy

    • 52
    • 57

    Mostly Cloudy

    • 52
    • 58

    Mostly Cloudy

    • 52
    • 59

    Mostly Cloudy

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    Mostly Cloudy

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    • 59

    Mostly Cloudy

Today 14 Jul Northern Coastal Humboldt

Mostly cloudy in the morning then becoming partly cloudy. Patchy dense fog in the morning. Highs 61 to 76. Northwest wind around 10 Mph.

Tonight 14 Jul Northern Coastal Humboldt

Mostly cloudy. Patchy fog. Lows 45 to 55. Northwest wind around 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Bay Temperature Statistics

July Temperature

Fortuna Rohnerville Airport (11.2 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 (11.2 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    51.4 °F

  • Average High 2021–2026

    59.7 °F
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