Islemouth Slough Weather Forecast

    • 57
    • 78

    Decreasing Clouds

    • 54
    • 77

    Sunny

    • 55
    • 80

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

    • 59
    • 84

    Mostly Sunny

    • 59
    • 86

    Mostly Sunny

    • 61
    • 85

    Mostly Sunny

Today 3 Sep San Joaquin County Delta

Mostly sunny. Highs 75 to 82. Light Winds becoming west 10 to 15 Mph in the afternoon.

Tonight 3 Sep San Joaquin County Delta

Partly cloudy in the evening then becoming mostly cloudy. Lows around 59. West Winds up to 15 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Islemouth Slough Temperature Statistics

September Temperature

Stockton, Stockton Metropolitan Airport (21.7 miles)

  • Lowest 1 September, 2026

    52 °F

  • Average September

    65.4 °F

  • Highest 1 September, 2026

    78.1 °F

Climate (2021–2026)

Stockton, Stockton Metropolitan Airport (21.7 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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