Avon Weather Forecast

    • 73
    • 100

    Hot

    • 61
    • 92

    Mostly Sunny

    • 60
    • 82

    Mostly Sunny

    • 57
    • 76

    Mostly Sunny

    • 58
    • 81

    Mostly Sunny

    • 58
    • 83

    Mostly Sunny

    • 58
    • 76

    Mostly Sunny

Today 9 Sep East Bay Interior Valleys

Partly cloudy. Highs around 102. Northwest Winds 5 to 10 Mph.

Tonight 9 Sep East Bay Interior Valleys

Mostly clear late in the evening then becoming partly cloudy. Lows in the mid 70s. West Winds 5 to 10 Mph.

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Avon Temperature Statistics

September Temperature

Concord, Buchanan Field (3.1 miles)

  • Lowest 7 September, 2026

    54 °F

  • Average September

    68.9 °F

  • Highest 7 September, 2026

    88 °F

Climate (2021–2026)

Concord, Buchanan Field (3.1 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    74.2 °F
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