Suisun Bay - Grizzly Island Wildlife Area Weather Forecast

    • 57
    • 80

    Sunny

    • 59
    • 89

    Sunny

    • 60
    • 93

    Sunny

    • 60
    • 89

    Mostly Sunny

    • 60
    • 86

    Mostly Sunny

    • 61
    • 87

    Mostly Sunny

Today 28 Sep Southwestern Solano County Including Vallejo

Sunny, warmer. Highs 74 to 83. West Winds up to 10 Mph with Gusts to around 20 Mph.

Tonight 28 Sep Southwestern Solano County Including Vallejo

Clear. Lows around 57. West Winds up to 10 Mph with Gusts to around 20 Mph.

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Suisun Bay - Grizzly Island Wildlife Area Temperature Statistics

September Temperature

Concord, Buchanan Field (6.2 miles)

  • Lowest 23 September, 2026

    53.7 °F

  • Average September

    71.5 °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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