Old River - Eucalyptus Island Weather Forecast

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    Rain

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    Rain

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    Rain

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    Rain

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    Chance Rain

Today 20 Dec East Bay Interior Valleys

Rain. Highs in the lower 60s. Northeast Winds around 5 Mph.

Tonight 20 Dec East Bay Interior Valleys

Rain in the Evening, then rain likely after midnight. Lows in the mid 50s. South Winds 5 to 10 Mph with Gusts to around 25 Mph.

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Old River - Eucalyptus Island Temperature Statistics

December Temperature

Livermore, Livermore Municipal Airport (17.4 miles)

  • Lowest 14 December, 2025

    34 °F

  • Average December

    44.9 °F

  • Highest 17 December, 2025

    66 °F

Climate (2020–Present)

Livermore, Livermore Municipal Airport (17.4 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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