Contra Loma Reservoir Regional Park Weather Forecast

    • 62
    • 85

    Becoming Sunny

    • 63
    • 89

    Mostly Sunny

    • 63
    • 90

    Mostly Sunny

    • 61
    • 87

    Mostly Sunny

    • 61
    • 87

    Mostly Sunny

    • 63
    • 90

    Mostly Sunny

Today 21 Aug East Bay Interior Valleys

Mostly cloudy. Highs in the 80s. West Winds 5 to 15 Mph.

Tonight 21 Aug East Bay Interior Valleys

Mostly cloudy. Lows in the upper 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 18 August, 2026

    57 °F

  • Average August

    74.6 °F

  • Highest 2 August, 2026

    100.7 °F

Climate (2021–2026)

Concord, Buchanan Field (12.4 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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