Port Chicago Weather Forecast

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    Rain

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    Rain

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    Rain

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    Rain

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    Rain Likely

Today 21 Dec East Bay Interior Valleys

Rain likely in the Morning, then rain in the afternoon. Highs in the lower 60s. South Winds 10 to 20 Mph.

Tonight 21 Dec East Bay Interior Valleys

Rain. Lows in the mid 50s. South Winds 10 to 20 Mph. Becoming 5 to 10 Mph after midnight.

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Port Chicago Temperature Statistics

December Temperature

Concord, Buchanan Field (4.3 miles)

  • Lowest 4 December, 2025

    37.9 °F

  • Average December

    45.7 °F

  • Highest 17 December, 2025

    66 °F

Climate (2020–Present)

Concord, Buchanan Field (4.3 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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