Sacramento River - Decker Island Weather Forecast

    • 48
    • 57

    Increasing Clouds

    • 43
    • 56

    Partly Sunny

    • 39
    • 51

    Mostly Sunny

    • 38
    • 49

    Mostly Sunny

    • 39
    • 50

    Mostly Cloudy

    • 40
    • 52

    Mostly Cloudy

Today 6 Jan Carquinez Strait and Delta

Mostly cloudy in the morning then becoming mostly sunny. Highs 54 to 60. Northeast Winds up to 10 Mph.

Tonight 6 Jan Carquinez Strait and Delta

Mostly cloudy. Patchy fog. Lows around 46. Light Winds.

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  • Temperature Real-Time

Sacramento River - Decker Island Temperature Statistics

January Temperature

Fairfield / Travis Air Force Base (16.8 miles)

  • Lowest 4 January, 2026

    45.9 °F

  • Average January

    54 °F

  • Highest 3 January, 2026

    63.7 °F

Climate (2021–Present)

Fairfield / Travis Air Force Base (16.8 miles)

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  • Average Low 2021–2026

    48.7 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    75 °F
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