San Joaquin River - Fern Island Weather Forecast

    • 47
    • 54

    Rain

    • 45
    • 55

    Rain Likely

    • 45
    • 55

    Mostly Cloudy

    • 41
    • 53

    Partly Sunny

    • 37
    • 53

    Partly Sunny

    • 38
    • 51

    Partly Sunny

    • 38
    • 51

    Partly Sunny

Today 4 Jan Carquinez Strait and Delta

Rain Showers and a slight chance of Thunderstorms early in the Morning, then rain in the late morning and afternoon. Highs around 54. South Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 4 Jan Carquinez Strait and Delta

Mostly cloudy. A chance of rain early in the Evening, then a slight chance of rain late in the evening. A chance of rain late in the night. Patchy fog late in the night. Lows around 47. South Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Joaquin River - Fern Island Temperature Statistics

January Temperature

Stockton, Stockton Metropolitan Airport (17.4 miles)

  • Lowest 1 January, 2026

    48.2 °F

  • Average January

    55.8 °F

  • Highest 1 January, 2026

    64 °F

Climate (2021–Present)

Stockton, Stockton Metropolitan Airport (17.4 miles)

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  • Average Low 2021–2026

    50.1 °F

  • Average 2021–2026

    62.8 °F

  • Average High 2021–2026

    77 °F
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