Orinda Weather Forecast

    • 57
    • 67

    Increasing Clouds

    • 56
    • 72

    Partly Sunny

    • 56
    • 78

    Mostly Sunny

    • 56
    • 79

    Partly Sunny

    • 56
    • 73

    Partly Sunny

    • 57
    • 77

    Mostly Sunny

Today 16 Sep East Bay Interior Valleys

Sunny. Highs in the mid 70s to lower 80s. Southwest Winds 10 to 20 Mph.

Tonight 16 Sep East Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. Southwest Winds 10 to 20 Mph.

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Orinda Temperature Statistics

September Temperature

Concord, Buchanan Field (9.9 miles)

  • Lowest 7 September, 2026

    54.6 °F

  • Average September

    72.7 °F

  • Highest 9 September, 2026

    101.6 °F

Climate (2021–2026)

Concord, Buchanan Field (9.9 miles)

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  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    74.2 °F
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