Walnut Creek Weather Forecast

    • 55
    • 88

    Mostly Sunny

    • 56
    • 92

    Mostly Sunny

    • 51
    • 78

    Mostly Sunny

    • 52
    • 80

    Mostly Sunny

    • 55
    • 75

    Partly Sunny

    • 53
    • 76

    Mostly Sunny

    • 55
    • 82

    Sunny

Today 4 Jun East Bay Interior Valleys

Sunny. Highs in the upper 80s. West Winds 10 to 15 Mph.

Tonight 4 Jun East Bay Interior Valleys

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

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Walnut Creek Temperature Statistics

June Temperature

Concord, Buchanan Field (5.6 miles)

  • Lowest 2 June, 2026

    54 °F

  • Average June

    70 °F

  • Highest 1 June, 2026

    91.7 °F

Climate (2021–Present)

Concord, Buchanan Field (5.6 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    61.5 °F

  • Average High 2021–2026

    74.3 °F
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