Suisun Bay - Grizzly Island Wildlife Area Weather Forecast

    • 57
    • 85

    Sunny

    • 58
    • 81

    Mostly Sunny

    • 58
    • 75

    Mostly Sunny

    • 58
    • 78

    Mostly Sunny

    • 58
    • 82

    Mostly Sunny

    • 58
    • 80

    Mostly Sunny

Today 14 Sep Southwestern Solano County Including Vallejo

Sunny, warmer. Highs 79 to 89. West Winds 10 to 15 Mph.

Tonight 14 Sep Southwestern Solano County Including Vallejo

Clear. Lows around 57. Southwest Winds 10 to 15 Mph.

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Suisun Bay - Grizzly Island Wildlife Area Temperature Statistics

September Temperature

Concord, Buchanan Field (6.2 miles)

  • Lowest 7 September, 2026

    54.6 °F

  • Average September

    72.8 °F

  • Highest 9 September, 2026

    101.6 °F

Climate (2021–2026)

Concord, Buchanan Field (6.2 miles)

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  • Average Low 2021–2026

    51.1 °F

  • Average 2021–2026

    61.6 °F

  • Average High 2021–2026

    74.2 °F
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