Old River - Rivers End Marina Weather Forecast

    • 65
    • 89

    Sunny

    • 66
    • 93

    Sunny

    • 67
    • 92

    Mostly Sunny

    • 66
    • 84

    Chance Rain Showers

    • 65
    • 83

    Slight Chance Rain Showers

    • 63
    • 82

    Mostly Sunny

    • 63
    • 82

    Mostly Sunny

Today 15 Sep East Bay Interior Valleys

Sunny. Highs in the mid 90s. North Winds 5 to 10 Mph.

Tonight 15 Sep East Bay Interior Valleys

Clear. Lows in the mid 60s. West Winds up to 5 Mph in the evening. Becoming light.

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  • Temperature Real-Time

Old River - Rivers End Marina Temperature Statistics

September Temperature

Livermore, Livermore Municipal Airport (16.2 miles)

  • Lowest 8 September, 2025

    57.9 °F

  • Average September

    68.8 °F

  • Highest 1 September, 2025

    100.9 °F

Climate (2020–Present)

Livermore, Livermore Municipal Airport (16.2 miles)

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  • Average Low 2020–2025

    48.7 °F

  • Average 2020–2025

    60.6 °F

  • Average High 2020–2025

    74.2 °F
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