Sacramento River - Decker Island Weather Forecast

    • 59
    • 68

    Decreasing Clouds

    • 59
    • 71

    Mostly Sunny

    • 58
    • 72

    Mostly Sunny

    • 58
    • 71

    Mostly Sunny

    • 57
    • 70

    Mostly Sunny

    • 58
    • 76

    Sunny

Today 22 Jul Carquinez Strait and Delta

Mostly cloudy. Highs 71 to 77. Southwest Winds 10 to 15 Mph with Gusts to around 30 Mph.

Tonight 22 Jul Carquinez Strait and Delta

Mostly cloudy in the evening then clearing. Near the Bay, mostly cloudy. Lows around 56. West Winds 10 to 15 Mph with Gusts to around 25 Mph.

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  • Temperature Real-Time

Sacramento River - Decker Island Temperature Statistics

July Temperature

Fairfield / Travis Air Force Base (16.8 miles)

  • Lowest 5 July, 2025

    52.9 °F

  • Average July

    69.4 °F

  • Highest 11 July, 2025

    99.9 °F

Climate (2020–Present)

Fairfield / Travis Air Force Base (16.8 miles)

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  • Average Low 2020–2025

    48.5 °F

  • Average 2020–2025

    60.6 °F

  • Average High 2020–2025

    75.6 °F
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