San Joaquin River - West Island Weather Forecast

    • 61
    • 87

    Sunny

    • 63
    • 88

    Sunny

    • 62
    • 89

    Mostly Sunny

    • 57
    • 85

    Partly Sunny

    • 55
    • 82

    Partly Sunny

    • 56
    • 80

    Partly Sunny

Today 18 Mar Carquinez Strait and Delta

Haze in the morning. Sunny. Highs around 88. Light Winds.

Tonight 18 Mar Carquinez Strait and Delta

Clear. Lows around 58. Light Winds.

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San Joaquin River - West Island Temperature Statistics

March Temperature

Concord, Buchanan Field (14.9 miles)

  • Lowest 5 March, 2026

    40.6 °F

  • Average March

    61.3 °F

  • Highest 16 March, 2026

    82.9 °F

Climate (2021–Present)

Concord, Buchanan Field (14.9 miles)

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  • Average Low 2021–2026

    50.9 °F

  • Average 2021–2026

    61.3 °F

  • Average High 2021–2026

    74.3 °F
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