Suisun Bay - Montezuma Slough Entrance Weather Forecast

    • 54
    • 74

    Decreasing Clouds

    • 55
    • 76

    Mostly Sunny

    • 56
    • 76

    Mostly Sunny

    • 56
    • 79

    Mostly Sunny

    • 55
    • 75

    Partly Sunny

    • 58
    • 73

    Mostly Cloudy

    • 56
    • 69

    Chance Rain Showers

Today 30 Oct Carquinez Strait and Delta

Mostly sunny. Near the Bay, mostly cloudy late in the morning then becoming mostly sunny. Highs 72 to 78. West Winds up to 10 Mph.

Tonight 30 Oct Carquinez Strait and Delta

Partly cloudy in the evening then clearing. Lows around 52. West Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Suisun Bay - Montezuma Slough Entrance Temperature Statistics

October Temperature

Concord, Buchanan Field (9.3 miles)

  • Lowest 28 October, 2025

    46.9 °F

  • Average October

    63 °F

  • Highest 7 October, 2025

    90 °F

Climate (2020–Present)

Concord, Buchanan Field (9.3 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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