Suisun Bay - Grizzly Island Wildlife Area Weather Forecast

    • 58
    • 84

    Becoming Sunny

    • 59
    • 84

    Mostly Sunny

    • 60
    • 89

    Sunny

    • 59
    • 88

    Mostly Sunny

    • 59
    • 84

    Mostly Sunny

    • 59
    • 80

    Mostly Sunny

Today 28 Aug Carquinez Strait and Delta

Sunny. Near the Bay, mostly cloudy in the morning then clearing. Highs 84 to 90. West Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 28 Aug Carquinez Strait and Delta

Clear. Lows 55 to 61. West Winds 10 to 15 Mph with Gusts to around 25 Mph.

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Suisun Bay - Grizzly Island Wildlife Area Temperature Statistics

August Temperature

Concord, Buchanan Field (6.2 miles)

  • Lowest 2 August, 2025

    56.6 °F

  • Average August

    72.2 °F

  • Highest 21 August, 2025

    101.6 °F

Climate (2020–Present)

Concord, Buchanan Field (6.2 miles)

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  • Average Low 2020–2025

    50.7 °F

  • Average 2020–2025

    61.3 °F

  • Average High 2020–2025

    74.6 °F
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