Sacramento River - Sandy Beach Weather Forecast

    • 55
    • 74

    Mostly Sunny

    • 57
    • 74

    Mostly Sunny

    • 57
    • 77

    Mostly Sunny

    • 57
    • 72

    Partly Sunny

    • 59
    • 71

    Mostly Cloudy

    • 58
    • 65

    Chance Rain

Today 31 Oct Carquinez Strait and Delta

Sunny. Near the Bay, mostly cloudy in the morning then clearing. Areas of fog late in the morning. Highs 73 to 79. West Winds up to 10 Mph.

Tonight 31 Oct Carquinez Strait and Delta

Mostly clear. Lows around 52. West Winds up to 10 Mph.

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Sacramento River - Sandy Beach Temperature Statistics

October Temperature

Concord, Buchanan Field (14.9 miles)

  • Lowest 28 October, 2025

    46.9 °F

  • Average October

    63 °F

  • Highest 7 October, 2025

    90 °F

Climate (2020–Present)

Concord, Buchanan Field (14.9 miles)

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  • Average Low 2020–2025

    50.7 °F

  • Average 2020–2025

    61.2 °F

  • Average High 2020–2025

    74.4 °F
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