San Joaquin River - Three River Reach Weather Forecast

    • 62
    • 82

    Sunny

    • 60
    • 78

    Mostly Sunny

    • 59
    • 76

    Sunny

    • 58
    • 80

    Sunny

    • 60
    • 79

    Mostly Sunny

    • 60
    • 78

    Mostly Sunny

    • 60
    • 78

    Mostly Sunny

Today 11 Sep San Joaquin County Delta

Sunny. Highs 87 to 93. West Winds 10 to 15 Mph.

Tonight 11 Sep San Joaquin County Delta

Clear. Lows around 60. Southwest Winds up to 10 Mph with Gusts to around 20 Mph.

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  • Temperature Forecast NOAA

  • 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 9 September, 2026

    100.9 °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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