Port of Stockton Weather Forecast

    • 64
    • 84

    Becoming Sunny

    • 63
    • 88

    Sunny

    • 63
    • 88

    Sunny

    • 67
    • 93

    Mostly Sunny

    • 66
    • 93

    Chance Rain Showers

    • 63
    • 91

    Mostly Sunny

    • 63
    • 88

    Mostly Sunny

Today 19 Sep Northern San Joaquin Valley

Mostly cloudy with a slight chance of rain Showers in the Morning, then partly cloudy in the afternoon. Highs 78 to 86. South Winds up to 10 Mph. Gusts up to 25 Mph in the morning.

Tonight 19 Sep Northern San Joaquin Valley

Mostly clear. Lows 59 to 65. Northwest 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

    74.2 °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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