Antioch City Marina Entrance Weather Forecast

    • 67
    • 93

    Sunny

    • 65
    • 86

    Mostly Sunny

    • 63
    • 85

    Mostly Sunny

    • 63
    • 85

    Partly Sunny

    • 63
    • 80

    Partly Sunny

    • 63
    • 80

    Mostly Sunny

Today 9 Aug East Bay Interior Valleys

Sunny. Highs around 100. West Winds up to 5 Mph increasing to 5 to 15 Mph in the afternoon.

Tonight 9 Aug East Bay Interior Valleys

Clear. Lows in the lower 60s. Southwest Winds 5 to 15 Mph.

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Antioch City Marina Entrance Temperature Statistics

August Temperature

Concord, Buchanan Field (12.4 miles)

  • Lowest 6 August, 2026

    59 °F

  • Average August

    77.5 °F

  • Highest 2 August, 2026

    100.7 °F

Climate (2021–2026)

Concord, Buchanan Field (12.4 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    61.5 °F

  • Average High 2021–2026

    74.3 °F
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