Antioch City Marina Entrance Weather Forecast

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Today 19 Dec East Bay Interior Valleys

Rain. Highs in the upper 50s to mid 60s. South Winds 5 to 15 Mph.

Tonight 19 Dec East Bay Interior Valleys

Rain. Lows in the mid 50s. South Winds 5 to 10 Mph.

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Antioch City Marina Entrance Temperature Statistics

December Temperature

Concord, Buchanan Field (12.4 miles)

  • Lowest 4 December, 2025

    37.9 °F

  • Average December

    45.2 °F

  • Highest 17 December, 2025

    66 °F

Climate (2020–Present)

Concord, Buchanan Field (12.4 miles)

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  • Average Low 2020–2025

    50.8 °F

  • Average 2020–2025

    61.2 °F

  • Average High 2020–2025

    74.2 °F
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