Sacramento River - Sandy Beach Weather Forecast

    • 67
    • 89

    Sunny

    • 67
    • 90

    Sunny

    • 68
    • 90

    Sunny

    • 67
    • 82

    Mostly Sunny

    • 66
    • 80

    Mostly Sunny

    • 64
    • 79

    Mostly Sunny

Today 15 Sep Carquinez Strait and Delta

Sunny. Highs 89 to 95. Northwest Winds up to 10 Mph with Gusts to around 20 Mph.

Tonight 15 Sep Carquinez Strait and Delta

Clear. Lows 60 to 66. West Winds up to 10 Mph.

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Sacramento River - Sandy Beach Temperature Statistics

September Temperature

Concord, Buchanan Field (14.9 miles)

  • Lowest 4 September, 2025

    59 °F

  • Average September

    70.2 °F

  • Highest 1 September, 2025

    99 °F

Climate (2020–Present)

Concord, Buchanan Field (14.9 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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