Suisun Bay - McAvoy Boat Harbor Weather Forecast

    • 63
    • 84

    Mostly Sunny

    • 67
    • 87

    Sunny

    • 65
    • 87

    Partly Sunny

    • 59
    • 81

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 57
    • 76

    Mostly Sunny

    • 56
    • 73

    Mostly Sunny

Today 25 Aug East Bay Interior Valleys

Partly cloudy late in the morning then becoming sunny. Highs in the lower 90s. West Winds 5 to 15 Mph.

Tonight 25 Aug East Bay Interior Valleys

Partly cloudy in the evening then becoming mostly clear. Lows in the lower 60s. Southwest Winds 5 to 10 Mph.

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Suisun Bay - McAvoy Boat Harbor Temperature Statistics

August Temperature

Concord, Buchanan Field (5.6 miles)

  • Lowest 18 August, 2026

    57 °F

  • Average August

    74.7 °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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