Carquinez Strait - Southampton Bay Weather Forecast

    • 64
    • 87

    Mostly Sunny

    • 60
    • 82

    Increasing Clouds

    • 58
    • 76

    Partly Sunny

    • 57
    • 78

    Mostly Sunny

    • 57
    • 82

    Mostly Sunny

    • 60
    • 88

    Mostly Sunny

    • 60
    • 92

    Mostly Sunny

Today 15 Aug Carquinez Strait and Delta

Sunny. Highs 88 to 94. West Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 15 Aug Carquinez Strait and Delta

Clear. Lows around 63. Southwest Winds 10 to 20 Mph with Gusts to around 30 Mph.

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Carquinez Strait - Southampton Bay Temperature Statistics

August Temperature

Concord, Buchanan Field (8.7 miles)

  • Lowest 2 August, 2025

    56.6 °F

  • Average August

    72.2 °F

  • Highest 8 August, 2025

    99.6 °F

Climate (2020–Present)

Concord, Buchanan Field (8.7 miles)

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  • Average Low 2020–2025

    50.8 °F

  • Average 2020–2025

    61.4 °F

  • Average High 2020–2025

    74.6 °F
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