Sand Mound Slough - Dutch Slough Entrance Weather Forecast

    • 64
    • 94

    Sunny

    • 65
    • 97

    Hot

    • 63
    • 90

    Mostly Cloudy

    • 61
    • 82

    Partly Sunny

    • 61
    • 85

    Mostly Sunny

    • 64
    • 90

    Sunny

Today 16 Sep East Bay Interior Valleys

Sunny. Highs in the mid 90s. West Winds 5 to 10 Mph.

Tonight 16 Sep East Bay Interior Valleys

Clear. Lows in the mid 60s. West Winds 5 to 10 Mph.

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Sand Mound Slough - Dutch Slough Entrance Temperature Statistics

September Temperature

Concord, Buchanan Field (23 miles)

  • Lowest 4 September, 2025

    59 °F

  • Average September

    69.9 °F

  • Highest 1 September, 2025

    99 °F

Climate (2020–Present)

Concord, Buchanan Field (23 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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