San Joaquin River - Three River Reach Weather Forecast

    • 67
    • 83

    Becoming Sunny

    • 66
    • 86

    Sunny

    • 63
    • 86

    Sunny

    • 61
    • 82

    Mostly Sunny

    • 62
    • 81

    Partly Sunny

    • 63
    • 79

    Partly Sunny

Today 13 Jul San Joaquin County Delta

Mostly cloudy in the morning then becoming partly cloudy. A slight chance of rain. Highs 90 to 97. Northwest Winds up to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 13 Jul San Joaquin County Delta

Mostly clear. Lows around 66. West Winds up to 10 Mph with Gusts to around 20 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

    74.6 °F

  • Highest 9 July, 2026

    99.6 °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 °F

  • Average High 2021–2026

    77.3 °F
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