Sacramento River - Decker Island Weather Forecast

    • 39
    • 50

    Increasing Clouds

    • 39
    • 48

    Partly Sunny

    • 40
    • 48

    Mostly Cloudy

    • 45
    • 47

    Chance Rain

    • 49
    • 51

    Rain Likely

    • 50
    • 54

    Chance Rain

Today 28 Dec Carquinez Strait and Delta

Mostly cloudy in the morning then clearing. Patchy fog in the morning. Highs 49 to 55. Northwest Winds up to 10 Mph shifting to the north in the afternoon.

Tonight 28 Dec Carquinez Strait and Delta

Mostly clear in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows around 38. Northeast Winds up to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sacramento River - Decker Island Temperature Statistics

December Temperature

Fairfield / Travis Air Force Base (16.8 miles)

  • Lowest 4 December, 2025

    35.2 °F

  • Average December

    48.6 °F

  • Highest 17 December, 2025

    65.3 °F

Climate (2020–Present)

Fairfield / Travis Air Force Base (16.8 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    48.7 °F

  • Average 2020–2025

    60.5 °F

  • Average High 2020–2025

    75 °F
Get WillyWeather+ to remove ads