Altamont Weather Forecast

    • 45
    • 59

    Increasing Clouds

    • 44
    • 60

    Mostly Sunny

    • 44
    • 62

    Mostly Sunny

    • 44
    • 61

    Mostly Sunny

    • 44
    • 60

    Mostly Sunny

    • 46
    • 62

    Mostly Sunny

Today 2 Dec East Bay Hills and the Diablo Range

Partly cloudy. Highs in the upper 50s. Northeast Winds up to 5 Mph. Becoming north around 5 Mph in the afternoon.

Tonight 2 Dec East Bay Hills and the Diablo Range

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 30s to mid 40s. North Winds 5 to 10 Mph in the evening. Becoming light.

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Altamont Temperature Statistics

December Temperature

Livermore, Livermore Municipal Airport (8.7 miles)

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  • Average December

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Climate (2010–Present)

Livermore, Livermore Municipal Airport (8.7 miles)

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  • Average Low 2010–Present

    49.4 °F
  • Average 2010–Present

    60.1 °F
  • Average High 2010–Present

    74.1 °F
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