Carquinez Strait - Twelfth Street Park Weather Forecast

    • 60
    • 85

    Partly Sunny

    • 54
    • 80

    Mostly Sunny

    • 55
    • 76

    Partly Sunny

    • 53
    • 70

    Mostly Sunny

    • 56
    • 79

    Sunny

    • 58
    • 86

    Sunny

    • 58
    • 87

    Mostly Sunny

Today 24 Sep Southwestern Solano County Including Vallejo

Mostly sunny. Highs 77 to 87.

Tonight 24 Sep Southwestern Solano County Including Vallejo

Mostly clear. Lows around 61. Southwest Winds 10 to 15 Mph with Gusts to around 25 Mph.

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Carquinez Strait - Twelfth Street Park Temperature Statistics

September Temperature

Concord, Buchanan Field (8.1 miles)

  • Lowest 7 September, 2026

    54.6 °F

  • Average September

    71.2 °F

  • Highest 9 September, 2026

    101.6 °F

Climate (2021–2026)

Concord, Buchanan Field (8.1 miles)

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  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    74.2 °F
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