Sacramento River - Montezuma Slough Entrance Weather Forecast

    • 61
    • 87

    Mostly Sunny

    • 60
    • 88

    Partly Sunny

    • 59
    • 83

    Mostly Sunny

    • 59
    • 82

    Partly Sunny

    • 60
    • 86

    Mostly Sunny

    • 61
    • 87

    Mostly Sunny

Today 22 Aug Southwestern Solano County Including Vallejo

Sunny, warmer. Highs 79 to 89. Southwest Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 22 Aug Southwestern Solano County Including Vallejo

Mostly clear. Lows around 59. Southwest Winds 10 to 15 Mph.

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Sacramento River - Montezuma Slough Entrance Temperature Statistics

August Temperature

Concord, Buchanan Field (10.6 miles)

  • Lowest 18 August, 2026

    57 °F

  • Average August

    74.6 °F

  • Highest 2 August, 2026

    100.7 °F

Climate (2021–2026)

Concord, Buchanan Field (10.6 miles)

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  • Average Low 2021–2026

    51 °F

  • Average 2021–2026

    61.5 °F

  • Average High 2021–2026

    74.3 °F
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