Suisun Bay - Mallard Island Weather Forecast

    • 60
    • 77

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

    • 60
    • 82

    Partly Sunny

    • 60
    • 78

    Partly Sunny

    • 60
    • 81

    Partly Sunny

    • 60
    • 82

    Partly Sunny

    • 59
    • 79

    Mostly Sunny

Today 14 Aug East Bay Interior Valleys

Partly cloudy late in the morning then becoming sunny. Highs near 80. Southwest Winds 5 to 10 Mph. Becoming west 10 to 20 Mph in the afternoon.

Tonight 14 Aug East Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 50s. West Winds 10 to 20 Mph. Becoming southwest 5 to 10 Mph after midnight.

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Suisun Bay - Mallard Island Temperature Statistics

August Temperature

Concord, Buchanan Field (8.1 miles)

  • Lowest 12 August, 2026

    57.9 °F

  • Average August

    76.6 °F

  • Highest 2 August, 2026

    100.7 °F

Climate (2021–2026)

Concord, Buchanan Field (8.1 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    74.3 °F
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