San Miguel Weather Forecast

    • 58
    • 84

    Becoming Sunny

    • 59
    • 89

    Partly Sunny

    • 58
    • 87

    Partly Sunny

    • 58
    • 82

    Partly Sunny

    • 57
    • 80

    Mostly Sunny

    • 58
    • 83

    Mostly Sunny

Today 17 Aug East Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Highs in the mid 80s. West Winds 5 to 15 Mph.

Tonight 17 Aug East Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. Southwest Winds 5 to 15 Mph.

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San Miguel Temperature Statistics

August Temperature

Concord, Buchanan Field (5.6 miles)

  • Lowest 12 August, 2026

    58.6 °F

  • Average August

    75.5 °F

  • Highest 2 August, 2026

    100.7 °F

Climate (2021–2026)

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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