Clayton Weather Forecast

    • 55
    • 78

    Mostly Cloudy

    • 55
    • 81

    Partly Sunny

    • 55
    • 81

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

    • 55
    • 85

    Mostly Sunny

Today 22 Jul East Bay Interior Valleys

Mostly cloudy. Isolated Showers in the morning. Highs in the mid 70s. West Winds 5 to 15 Mph.

Tonight 22 Jul East Bay Interior Valleys

Mostly cloudy. Lows in the upper 50s. West Winds 5 to 15 Mph.

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Clayton Temperature Statistics

July Temperature

Concord, Buchanan Field (6.8 miles)

  • Lowest 5 July, 2025

    55.7 °F

  • Average July

    69 °F

  • Highest 10 July, 2025

    99.6 °F

Climate (2020–Present)

Concord, Buchanan Field (6.8 miles)

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  • Average Low 2020–2025

    50.8 °F

  • Average 2020–2025

    61.4 °F

  • Average High 2020–2025

    74.7 °F
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