San Joaquin River - Ward Island Weather Forecast

    • 54
    • 81

    Becoming Sunny

    • 55
    • 84

    Mostly Sunny

    • 60
    • 89

    Mostly Sunny

    • 59
    • 92

    Mostly Sunny

    • 56
    • 86

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

Today 21 Sep San Joaquin County Delta

Mostly sunny. Highs around 81. West Winds up to 10 Mph with Gusts to around 20 Mph.

Tonight 21 Sep San Joaquin County Delta

Clear. Lows around 55. Southwest Winds up to 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Real-Time

San Joaquin River - Ward Island Temperature Statistics

September Temperature

Stockton, Stockton Metropolitan Airport (18 miles)

  • Lowest 1 September, 2026

    52.6 °F

  • Average September

    73 °F

  • Highest 10 September, 2026

    106.6 °F

Climate (2021–2026)

Stockton, Stockton Metropolitan Airport (18 miles)

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  • Average Low 2021–2026

    50.3 °F

  • Average 2021–2026

    63.1 °F

  • Average High 2021–2026

    77.4 °F
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