San Joaquin River - Three River Reach Weather Forecast

    • 61
    • 82

    Sunny

    • 62
    • 83

    Mostly Sunny

    • 65
    • 82

    Partly Sunny

    • 65
    • 85

    Mostly Sunny

    • 65
    • 83

    Sunny

    • 65
    • 83

    Mostly Sunny

Today 30 Sep San Joaquin County Delta

Sunny. Highs 88 to 93. Light Winds.

Tonight 30 Sep San Joaquin County Delta

Clear. Lows around 57. Light Winds.

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  • Temperature Real-Time

San Joaquin River - Three River Reach Temperature Statistics

September Temperature

Stockton, Stockton Metropolitan Airport (19.3 miles)

  • Lowest 28 September, 2026

    51.1 °F

  • Average September

    72.5 °F

  • Highest 10 September, 2026

    106.6 °F

Climate (2021–2026)

Stockton, Stockton Metropolitan Airport (19.3 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    63.1 °F

  • Average High 2021–2026

    77.4 °F
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