San Joaquin River - Three River Reach Weather Forecast

    • 62
    • 78

    Increasing Clouds

    • 60
    • 75

    Mostly Sunny

    • 60
    • 72

    Mostly Sunny

    • 59
    • 74

    Mostly Sunny

    • 59
    • 73

    Mostly Sunny

    • 61
    • 72

    Partly Sunny

Today 12 Aug San Joaquin County Delta

Mostly cloudy in the morning then becoming partly cloudy. Highs 84 to 91. Northwest Winds up to 10 Mph with Gusts to around 20 Mph.

Tonight 12 Aug San Joaquin County Delta

Mostly clear. Lows around 59. West Winds up to 15 Mph.

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San Joaquin River - Three River Reach Temperature Statistics

August Temperature

Stockton, Stockton Metropolitan Airport (19.3 miles)

  • Lowest 1 August, 2026

    59.6 °F

  • Average August

    82 °F

  • Highest 3 August, 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

    63.1 °F

  • Average High 2021–2026

    77.4 °F
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