Walnut Creek Weather Forecast

    • 56
    • 86

    Sunny

    • 57
    • 85

    Mostly Sunny

    • 56
    • 85

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

    • 55
    • 83

    Mostly Sunny

Today 30 Jun East Bay Interior Valleys

Sunny. Highs near 90. West Winds 10 to 15 Mph.

Tonight 30 Jun East Bay Interior Valleys

Clear. Lows in the upper 50s. West Winds 5 to 10 Mph.

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Walnut Creek Temperature Statistics

June Temperature

Concord, Buchanan Field (5.6 miles)

  • Lowest 2 June, 2025

    53.7 °F

  • Average June

    67.6 °F

  • Highest 18 June, 2025

    96.7 °F

Climate (2020–Present)

Concord, Buchanan Field (5.6 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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