Sacramento River - Decker Island Weather Forecast

    • 41
    • 56

    Decreasing Clouds

    • 42
    • 57

    Partly Sunny

    • 43
    • 58

    Partly Sunny

    • 42
    • 58

    Partly Sunny

    • 43
    • 58

    Partly Sunny

    • 44
    • 58

    Partly Sunny

    • 44
    • 57

    Mostly Cloudy

Today 13 Jan Carquinez Strait and Delta

Mostly cloudy in the morning then clearing. Widespread fog. Locally dense and patchy frost early in the Morning, then Areas of fog late in the morning. Patchy fog early in the afternoon. Highs around 59. Northeast Winds up to 10 Mph.

Tonight 13 Jan Carquinez Strait and Delta

Clear in the evening then becoming partly cloudy. Patchy fog in the late evening and early morning. Widespread fog. Locally dense late in the night. Lows around 39. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sacramento River - Decker Island Temperature Statistics

January Temperature

Fairfield / Travis Air Force Base (16.8 miles)

  • Lowest 11 January, 2026

    33.6 °F

  • Average January

    50.5 °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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