San Joaquin River - Fern Island Weather Forecast

    • 36
    • 56

    Dense Fog

    • 37
    • 54

    Decreasing Clouds

    • 38
    • 56

    Partly Sunny

    • 40
    • 56

    Partly Sunny

    • 41
    • 59

    Partly Sunny

    • 42
    • 59

    Partly Sunny

    • 42
    • 58

    Mostly Cloudy

Today 11 Jan Carquinez Strait and Delta

Mostly cloudy in the morning then becoming partly cloudy. Areas of frost early in the morning. Areas of fog in the morning. Patchy frost late in the morning. Highs around 56. Light Winds.

Tonight 11 Jan Carquinez Strait and Delta

Mostly cloudy in the evening then becoming partly cloudy. Patchy fog after midnight. Areas of dense fog. Locally dense late in the night. Lows around 37. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Joaquin River - Fern Island Temperature Statistics

January Temperature

Stockton, Stockton Metropolitan Airport (17.4 miles)

  • Lowest 9 January, 2026

    33.1 °F

  • Average January

    52.2 °F

  • Highest 1 January, 2026

    64 °F

Climate (2021–Present)

Stockton, Stockton Metropolitan Airport (17.4 miles)

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  • Average Low 2021–2026

    50.1 °F

  • Average 2021–2026

    62.8 °F

  • Average High 2021–2026

    77.1 °F
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