Piper Slough Weather Forecast

    • 62
    • 76

    Chance Rain

    • 60
    • 75

    Chance Rain Showers

    • 60
    • 78

    Mostly Sunny

    • 59
    • 82

    Sunny

    • 61
    • 81

    Mostly Sunny

    • 60
    • 79

    Mostly Sunny

Today 9 Sep East Bay Interior Valleys

Mostly cloudy. A chance of rain in the Morning, then a chance of Showers in the afternoon. Highs in the upper 70s. Southwest Winds 5 to 10 Mph. Becoming west 10 to 20 Mph in the afternoon.

Tonight 9 Sep East Bay Interior Valleys

Partly cloudy. A slight chance of Showers in the evening. A chance of Showers after midnight. Lows in the lower 60s. West Winds 5 to 15 Mph.

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Piper Slough Temperature Statistics

September Temperature

Concord, Buchanan Field (23 miles)

  • Lowest 4 September, 2025

    59 °F

  • Average September

    71 °F

  • Highest 1 September, 2025

    99 °F

Climate (2020–Present)

Concord, Buchanan Field (23 miles)

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  • Average Low 2020–2025

    50.7 °F

  • Average 2020–2025

    61.4 °F

  • Average High 2020–2025

    74.6 °F
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