Old River - Rivers End Marina Weather Forecast

    • 46
    • 47

    Increasing Clouds

    • 54
    • 57

    Chance Rain

    • 50
    • 63

    Mostly Cloudy

    • 52
    • 60

    Chance Rain

    • 54
    • 58

    Rain Likely

    • 51
    • 57

    Rain Likely

    • 52
    • 54

    Rain Likely

Today 15 Dec East Bay Interior Valleys

Mostly cloudy. Patchy dense fog late in the morning. Highs in the upper 40s to mid 50s. Light Winds becoming north around 5 Mph in the afternoon.

Tonight 15 Dec East Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows in the mid 40s. West Winds around 5 Mph. Becoming south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Old River - Rivers End Marina Temperature Statistics

December Temperature

Livermore, Livermore Municipal Airport (16.2 miles)

  • Lowest 12 December, 2025

    35.1 °F

  • Average December

    43.7 °F

  • Highest 2 December, 2025

    63 °F

Climate (2020–Present)

Livermore, Livermore Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    48.8 °F

  • Average 2020–2025

    60.6 °F

  • Average High 2020–2025

    73.9 °F
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