Contra Loma Reservoir Regional Park Weather Forecast

    • 59
    • 84

    Sunny

    • 60
    • 86

    Sunny

    • 65
    • 94

    Sunny

    • 66
    • 104

    Hot

    • 66
    • 101

    Hot

    • 64
    • 97

    Hot

Today 18 Aug East Bay Interior Valleys

Sunny. Highs in the lower 80s. West Winds 5 to 15 Mph.

Tonight 18 Aug East Bay Interior Valleys

Clear. Lows in the mid 50s. Southwest Winds 5 to 15 Mph.

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Contra Loma Reservoir Regional Park Temperature Statistics

August Temperature

Concord, Buchanan Field (12.4 miles)

  • Lowest 2 August, 2025

    56.6 °F

  • Average August

    72.1 °F

  • Highest 8 August, 2025

    99.6 °F

Climate (2020–Present)

Concord, Buchanan Field (12.4 miles)

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  • Average Low 2020–2025

    50.7 °F

  • Average 2020–2025

    61.4 °F

  • Average High 2020–2025

    74.6 °F
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