Walnut Creek Weather Forecast

    • 54
    • 82

    Sunny

    • 56
    • 91

    Mostly Sunny

    • 58
    • 93

    Mostly Sunny

    • 57
    • 95

    Mostly Sunny

    • 58
    • 92

    Mostly Sunny

    • 57
    • 83

    Mostly Sunny

Today 23 Sep East Bay Interior Valleys

Mostly clear. Lows in the 50s. South Winds 5 to 10 Mph.

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Walnut Creek Temperature Statistics

September Temperature

Concord, Buchanan Field (5.6 miles)

  • Lowest 16 September, 2018

    55.9 °F

  • Average September

    69.1 °F

  • Highest 9 September, 2018

    93 °F

Climate (2010–Present)

Concord, Buchanan Field (5.6 miles)

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  • Average Low 2010–Present

    51.7 °F

  • Average 2010–Present

    62 °F

  • Average High 2010–Present

    74.6 °F
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