Islemouth Slough Weather Forecast

    • 70
    • 99

    Hot

    • 62
    • 96

    Mostly Sunny

    • 59
    • 89

    Sunny

    • 56
    • 82

    Mostly Sunny

    • 56
    • 84

    Sunny

    • 56
    • 87

    Sunny

    • 54
    • 81

    Sunny

Today 9 Sep San Joaquin County Delta

Mostly sunny. Highs 94 to 102. Northwest Winds around 10 Mph.

Tonight 9 Sep San Joaquin County Delta

Mostly clear. Lows around 72. West Winds up to 10 Mph.

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Islemouth Slough Temperature Statistics

September Temperature

Stockton, Stockton Metropolitan Airport (21.7 miles)

  • Lowest 1 September, 2026

    52.6 °F

  • Average September

    70.1 °F

  • Highest 7 September, 2026

    90 °F

Climate (2021–2026)

Stockton, Stockton Metropolitan Airport (21.7 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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