Suisun Bay - Hastings Slough Entrance Weather Forecast

    • 54
    • 71

    Decreasing Clouds

    • 54
    • 73

    Mostly Sunny

    • 57
    • 72

    Mostly Sunny

    • 56
    • 75

    Mostly Sunny

    • 56
    • 72

    Partly Sunny

    • 58
    • 69

    Mostly Cloudy

Today 30 Oct East Bay Interior Valleys

Sunny. Highs in the upper 70s. West Winds 5 to 10 Mph.

Tonight 30 Oct East Bay Interior Valleys

Partly cloudy. Patchy fog after midnight. Lows in the lower 50s. Southwest Winds 5 to 10 Mph.

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Suisun Bay - Hastings Slough Entrance Temperature Statistics

October Temperature

Concord, Buchanan Field (3.7 miles)

  • Lowest 28 October, 2025

    46.9 °F

  • Average October

    63 °F

  • Highest 7 October, 2025

    90 °F

Climate (2020–Present)

Concord, Buchanan Field (3.7 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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