Suisun Bay - Grizzly Island Wildlife Area Weather Forecast

    • 58
    • 80

    Increasing Clouds

    • 55
    • 68

    Partly Sunny

    • 54
    • 72

    Partly Sunny

    • 59
    • 71

    Chance Rain Showers

    • 55
    • 68

    Chance Rain Showers

    • 54
    • 65

    Chance Rain Showers

    • 53
    • 67

    Mostly Sunny

Today 21 Oct Carquinez Strait and Delta

Sunny. Highs 76 to 81. North Winds up to 10 Mph.

Tonight 21 Oct Carquinez Strait and Delta

Clear in the evening then becoming mostly cloudy. Lows around 57. West Winds up to 15 Mph. Gusts up to 20 Mph increasing to 30 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Suisun Bay - Grizzly Island Wildlife Area Temperature Statistics

October Temperature

Concord, Buchanan Field (6.2 miles)

  • Lowest 16 October, 2025

    48 °F

  • Average October

    63.5 °F

  • Highest 7 October, 2025

    90 °F

Climate (2020–Present)

Concord, Buchanan Field (6.2 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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