San Joaquin River - Fern Island Weather Forecast

    • 52
    • 80

    Sunny

    • 49
    • 76

    Partly Sunny

    • 50
    • 76

    Mostly Sunny

    • 51
    • 76

    Mostly Sunny

    • 53
    • 78

    Mostly Sunny

    • 54
    • 76

    Partly Sunny

    • 55
    • 75

    Mostly Cloudy

Today 29 Oct Carquinez Strait and Delta

Sunny. Highs 77 to 83. Northwest Winds up to 10 Mph with Gusts to around 20 Mph.

Tonight 29 Oct Carquinez Strait and Delta

Clear. Lows 50 to 56. Light Winds.

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San Joaquin River - Fern Island Temperature Statistics

October Temperature

Stockton, Stockton Metropolitan Airport (17.4 miles)

  • Lowest 16 October, 2025

    46.9 °F

  • Average October

    62.5 °F

  • Highest 7 October, 2025

    91 °F

Climate (2020–Present)

Stockton, Stockton Metropolitan Airport (17.4 miles)

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  • Average Low 2020–2025

    49.9 °F

  • Average 2020–2025

    62.7 °F

  • Average High 2020–2025

    77.2 °F
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