Mount Diablo State Park Weather Forecast

    • 64
    • 76

    Sunny

    • 61
    • 72

    Sunny

    • 61
    • 72

    Sunny

    • 62
    • 77

    Sunny

    • 65
    • 80

    Sunny

    • 67
    • 84

    Sunny

Today 2 Aug East Bay Hills

Sunny. Highs in the lower 80s. Southwest Winds 15 to 20 Mph.

Tonight 2 Aug East Bay Hills

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. Southwest Winds around 20 Mph.

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Mount Diablo State Park Temperature Statistics

August Temperature

Concord, Buchanan Field (10.6 miles)

  • Lowest

  • Average August

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Climate (2020–Present)

Concord, Buchanan Field (10.6 miles)

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  • Average Low 2020–2025

    50.8 °F
  • Average 2020–2025

    61.4 °F
  • Average High 2020–2025

    74.6 °F
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