Suisun Bay - McAvoy Boat Harbor Weather Forecast

    • 61
    • 81

    Increasing Clouds

    • 61
    • 79

    Partly Sunny

    • 60
    • 73

    Partly Sunny

    • 60
    • 76

    Mostly Sunny

    • 60
    • 77

    Mostly Sunny

    • 60
    • 75

    Partly Sunny

Today 11 Aug East Bay Interior Valleys

Sunny. Patchy smoke late in the morning. Highs around 90. West Winds 5 to 15 Mph.

Tonight 11 Aug East Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows around 60. West Winds 5 to 15 Mph.

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Suisun Bay - McAvoy Boat Harbor Temperature Statistics

August Temperature

Concord, Buchanan Field (5.6 miles)

  • Lowest 9 August, 2026

    59 °F

  • Average August

    77.3 °F

  • Highest 2 August, 2026

    100.7 °F

Climate (2021–2026)

Concord, Buchanan Field (5.6 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    74.3 °F
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