Sacramento River - Decker Island Weather Forecast

    • 40
    • 59

    Dense Fog

    • 43
    • 56

    Mostly Cloudy

    • 43
    • 60

    Partly Sunny

    • 42
    • 57

    Areas Fog

    • 43
    • 58

    Areas Fog

    • 45
    • 57

    Areas Fog

    • 46
    • 58

    Areas Fog

Today 16 Jan Carquinez Strait and Delta

Partly cloudy in the morning then clearing. Widespread fog. Locally dense in the morning. Areas of fog early in the afternoon. Highs 61 to 67. Northeast Winds up to 10 Mph.

Tonight 16 Jan Carquinez Strait and Delta

Mostly clear in the evening then becoming mostly cloudy. Patchy fog late in the evening. Areas of fog after Midnight, then widespread fog. Locally dense late in the night. Lows around 41. 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 14 January, 2026

    32.7 °F

  • Average January

    49.2 °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

    74.9 °F
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