Carquinez Strait - Southampton Bay Weather Forecast

    • 62
    • 87

    Sunny

    • 60
    • 88

    Mostly Sunny

    • 58
    • 76

    Partly Sunny

    • 55
    • 71

    Partly Sunny

    • 56
    • 70

    Chance Rain

    • 53
    • 71

    Mostly Sunny

    • 54
    • 73

    Mostly Sunny

Today 6 Oct Carquinez Strait and Delta

Sunny. Highs 81 to 87. North Winds up to 10 Mph with Gusts to around 25 Mph.

Tonight 6 Oct Carquinez Strait and Delta

Clear. Lows 54 to 62. Northwest Winds up to 10 Mph. Gusts up to 20 Mph after midnight.

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Carquinez Strait - Southampton Bay Temperature Statistics

October Temperature

Concord, Buchanan Field (8.7 miles)

  • Lowest 4 October, 2025

    55.9 °F

  • Average October

    66 °F

  • Highest 4 October, 2025

    79 °F

Climate (2020–Present)

Concord, Buchanan Field (8.7 miles)

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  • Average Low 2020–2025

    50.8 °F

  • Average 2020–2025

    61.3 °F

  • Average High 2020–2025

    74.5 °F
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