Sacramento River - Montezuma Island Weather Forecast

    • 60
    • 79

    Sunny

    • 58
    • 81

    Sunny

    • 61
    • 81

    Sunny

    • 64
    • 87

    Sunny

    • 62
    • 83

    Mostly Sunny

    • 62
    • 84

    Mostly Sunny

    • 62
    • 84

    Sunny

Today 3 Aug Carquinez Strait and Delta

Sunny. Highs 81 to 87. Southwest Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 3 Aug Carquinez Strait and Delta

Clear. Lows around 57. Southwest Winds 10 to 15 Mph with Gusts to around 30 Mph.

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  • Temperature Real-Time

Sacramento River - Montezuma Island Temperature Statistics

August Temperature

Concord, Buchanan Field (12.4 miles)

  • Lowest 1 August, 2025

    57.9 °F

  • Average August

    68.3 °F

  • Highest 1 August, 2025

    87.1 °F

Climate (2020–Present)

Concord, Buchanan Field (12.4 miles)

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  • Average Low 2020–2025

    50.8 °F

  • Average 2020–2025

    61.4 °F

  • Average High 2020–2025

    74.6 °F
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