Port of Stockton Weather Forecast

    • 69
    • 89

    Chance Rain Showers

    • 63
    • 84

    Chance Rain Showers

    • 64
    • 89

    Sunny

    • 65
    • 89

    Sunny

    • 69
    • 94

    Mostly Sunny

    • 66
    • 87

    Chance Rain Showers

    • 63
    • 85

    Mostly Sunny

Today 18 Sep Northern San Joaquin Valley

Mostly cloudy. Highs 83 to 91. Light Winds becoming south up to 10 Mph in the afternoon.

Tonight 18 Sep Northern San Joaquin Valley

Cloudy with a chance of rain Showers. Lows 63 to 69. South Winds up to 10 Mph.

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Port of Stockton Temperature Statistics

September Temperature

Stockton, Stockton Metropolitan Airport (5.6 miles)

  • Lowest 11 September, 2025

    55.9 °F

  • Average September

    73.8 °F

  • Highest 1 September, 2025

    102.9 °F

Climate (2020–Present)

Stockton, Stockton Metropolitan Airport (5.6 miles)

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  • Average Low 2020–2025

    49.9 °F

  • Average 2020–2025

    62.9 °F

  • Average High 2020–2025

    77.4 °F
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