San Joaquin River - Fern Island Weather Forecast

    • 39
    • 45

    Mostly Cloudy

    • 38
    • 45

    Mostly Cloudy

    • 45
    • 55

    Mostly Cloudy

    • 53
    • 58

    Chance Rain Showers

    • 47
    • 60

    Chance Rain Showers

    • 49
    • 58

    Chance Rain Showers

Today 13 Dec Carquinez Strait and Delta

Mostly cloudy. Patchy dense fog. Highs around 46. Light Winds.

Tonight 13 Dec Carquinez Strait and Delta

Mostly cloudy. Patchy fog. Lows around 40. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Joaquin River - Fern Island Temperature Statistics

December Temperature

Stockton, Stockton Metropolitan Airport (17.4 miles)

  • Lowest 5 December, 2025

    35.1 °F

  • Average December

    44 °F

  • Highest 3 December, 2025

    57.9 °F

Climate (2020–Present)

Stockton, Stockton Metropolitan Airport (17.4 miles)

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  • Average Low 2020–2025

    50.1 °F

  • Average 2020–2025

    62.8 °F

  • Average High 2020–2025

    77.1 °F
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