San Joaquin River - Three River Reach Weather Forecast

    • 63
    • 83

    Mostly Sunny

    • 59
    • 77

    Mostly Sunny

    • 58
    • 75

    Mostly Sunny

    • 56
    • 71

    Mostly Sunny

    • 60
    • 76

    Sunny

    • 61
    • 79

    Sunny

Today 24 Sep San Joaquin County Delta

Mostly sunny. Highs 88 to 94. West Winds up to 10 Mph.

Tonight 24 Sep San Joaquin County Delta

Mostly clear. Lows around 60. West Winds around 10 Mph with Gusts to around 25 Mph.

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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 1 September, 2026

    52.6 °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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