Sherman Island Waterfowl Management Area Weather Forecast

    • 56
    • 73

    Mostly Sunny

    • 58
    • 73

    Mostly Sunny

    • 57
    • 75

    Mostly Sunny

    • 57
    • 72

    Partly Sunny

    • 60
    • 70

    Mostly Cloudy

    • 59
    • 66

    Chance Rain Showers

Today 31 Oct Carquinez Strait and Delta

Patchy fog in the morning. Mostly sunny. Highs 73 to 79. West Winds up to 10 Mph.

Tonight 31 Oct Carquinez Strait and Delta

Mostly clear. Lows 48 to 54. West Winds up to 10 Mph.

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Sherman Island Waterfowl Management Area Temperature Statistics

October Temperature

Concord, Buchanan Field (13.7 miles)

  • Lowest 28 October, 2025

    46.9 °F

  • Average October

    63 °F

  • Highest 7 October, 2025

    90 °F

Climate (2020–Present)

Concord, Buchanan Field (13.7 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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