Suisun Bay - McAvoy Boat Harbor Weather Forecast

    • 53
    • 62

    Mostly Sunny

    • 54
    • 68

    Becoming Sunny

    • 56
    • 70

    Mostly Sunny

    • 57
    • 73

    Sunny

    • 56
    • 71

    Mostly Sunny

    • 56
    • 71

    Mostly Sunny

    • 56
    • 70

    Mostly Sunny

Today 15 Oct East Bay Interior Valleys

Partly cloudy. Highs in the mid 60s. North Winds around 5 Mph.

Tonight 15 Oct East Bay Interior Valleys

Mostly clear. Lows around 50. Northwest Winds around 5 Mph in the evening. Becoming light.

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Suisun Bay - McAvoy Boat Harbor Temperature Statistics

October Temperature

Concord, Buchanan Field (5.6 miles)

  • Lowest 12 October, 2025

    50 °F

  • Average October

    65 °F

  • Highest 7 October, 2025

    90 °F

Climate (2020–Present)

Concord, Buchanan Field (5.6 miles)

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  • Average Low 2020–2025

    50.7 °F

  • Average 2020–2025

    61.3 °F

  • Average High 2020–2025

    74.5 °F
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