Carquinez Strait - Martinez Yacht Harbor Weather Forecast

    • 53
    • 80

    Sunny

    • 58
    • 87

    Sunny

    • 57
    • 90

    Sunny

    • 55
    • 88

    Sunny

    • 52
    • 73

    Mostly Sunny

    • 51
    • 67

    Partly Sunny

Today 14 Oct East Bay Interior Valleys

Sunny. Highs in the lower 80s. Light Winds. Becoming west up to 5 Mph in the afternoon.

Tonight 14 Oct East Bay Interior Valleys

Clear. Lows in the lower 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Carquinez Strait - Martinez Yacht Harbor Temperature Statistics

October Temperature

Concord, Buchanan Field (5 miles)

  • Lowest 12 October, 2026

    48.9 °F

  • Average October

    73.4 °F

  • Highest 6 October, 2026

    99.6 °F

Climate (2021–2026)

Concord, Buchanan Field (5 miles)

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  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    74.3 °F
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