San Joaquin River - Three River Reach Weather Forecast

    • 43
    • 46

    Dense Fog

    • 43
    • 46

    Mostly Cloudy

    • 43
    • 47

    Mostly Cloudy

    • 47
    • 52

    Mostly Cloudy

    • 54
    • 56

    Chance Rain Showers

    • 49
    • 55

    Chance Rain Showers

Today 12 Dec Carquinez Strait and Delta

Areas of fog. Locally dense until late afternoon. Mostly cloudy. Highs around 46. Northeast Winds up to 10 Mph.

Tonight 12 Dec Carquinez Strait and Delta

Mostly cloudy. Patchy fog in the Evening, then Areas of fog. Locally dense after midnight. Lows around 41. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Joaquin River - Three River Reach Temperature Statistics

December Temperature

Stockton, Stockton Metropolitan Airport (19.3 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 (19.3 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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