Suisun Bay - Snag Island Weather Forecast

    • 69
    • 91

    Becoming Sunny

    • 70
    • 93

    Sunny

    • 70
    • 94

    Sunny

    • 66
    • 92

    Sunny

    • 66
    • 89

    Mostly Sunny

    • 63
    • 82

    Mostly Sunny

Today 4 Oct Southwestern Solano County Including Vallejo

Mostly cloudy. Highs 90 to 99. Light Winds becoming northeast up to 10 Mph in the afternoon.

Tonight 4 Oct Southwestern Solano County Including Vallejo

Mostly clear. Lows 62 to 68. Light Winds.

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Suisun Bay - Snag Island Temperature Statistics

October Temperature

Concord, Buchanan Field (6.8 miles)

  • Lowest 1 October, 2026

    55.9 °F

  • Average October

    70 °F

  • Highest 1 October, 2026

    91 °F

Climate (2021–2026)

Concord, Buchanan Field (6.8 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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