Carquinez Strait - Crockett Marina Weather Forecast

    • 54
    • 77

    Increasing Clouds

    • 56
    • 71

    Partly Sunny

    • 56
    • 71

    Partly Sunny

    • 57
    • 74

    Partly Sunny

    • 57
    • 75

    Partly Sunny

    • 57
    • 76

    Mostly Sunny

Today 30 Aug East Bay Interior Valleys

Sunny. Highs in the mid 80s. Southwest Winds 5 to 15 Mph.

Tonight 30 Aug East Bay Interior Valleys

Mostly clear. Lows in the mid 50s. Southwest Winds 5 to 15 Mph.

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Carquinez Strait - Crockett Marina Temperature Statistics

August Temperature

Concord, Buchanan Field (9.9 miles)

  • Lowest 18 August, 2026

    57 °F

  • Average August

    74.9 °F

  • Highest 2 August, 2026

    100.7 °F

Climate (2021–2026)

Concord, Buchanan Field (9.9 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    74.3 °F
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