San Joaquin River - Three River Reach Weather Forecast

    • 63
    • 79

    Increasing Clouds

    • 64
    • 79

    Partly Sunny

    • 65
    • 82

    Mostly Sunny

    • 63
    • 81

    Sunny

    • 61
    • 79

    Sunny

    • 61
    • 79

    Mostly Sunny

Today 19 Jul San Joaquin County Delta

Partly cloudy. Highs 85 to 92. West Winds 10 to 15 Mph.

Tonight 19 Jul San Joaquin County Delta

Mostly clear. Lows around 61. West Winds 10 to 15 Mph.

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San Joaquin River - Three River Reach Temperature Statistics

July Temperature

Stockton, Stockton Metropolitan Airport (19.3 miles)

  • Lowest 7 July, 2026

    53.7 °F

  • Average July

    77.5 °F

  • Highest 14 July, 2026

    105.7 °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 °F

  • Average High 2021–2026

    77.3 °F
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