San Joaquin River - Vulcan Island Weather Forecast

    • 55
    • 57

    Rain Showers

    • 56
    • 58

    Rain Showers

    • 56
    • 58

    Rain Showers

    • 52
    • 57

    Rain Showers Likely

    • 50
    • 56

    Rain Showers

    • 51
    • 54

    Rain Showers

    • 48
    • 54

    Rain Showers

Today 19 Dec Carquinez Strait and Delta

Cloudy. A slight chance of rain Showers in the late morning and early afternoon. Rain Showers likely late in the afternoon. Highs 55 to 61. South Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 19 Dec Carquinez Strait and Delta

Rain Showers. Lows around 55. South Winds 10 to 15 Mph.

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  • Temperature Real-Time

San Joaquin River - Vulcan Island Temperature Statistics

December Temperature

Stockton, Stockton Metropolitan Airport (11.8 miles)

  • Lowest 5 December, 2025

    35.1 °F

  • Average December

    43.6 °F

  • Highest 17 December, 2025

    66 °F

Climate (2020–Present)

Stockton, Stockton Metropolitan Airport (11.8 miles)

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  • Average Low 2020–2025

    50.1 °F

  • Average 2020–2025

    62.7 °F

  • Average High 2020–2025

    77 °F
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