Altamont Weather Forecast

    • 56
    • 87

    Mostly Sunny

    • 59
    • 86

    Mostly Sunny

    • 59
    • 90

    Mostly Sunny

    • 59
    • 90

    Mostly Sunny

    • 59
    • 89

    Mostly Sunny

    • 60
    • 90

    Mostly Sunny

Today 28 Aug East Bay Hills

Sunny. Highs in the upper 80s. Southwest Winds around 10 Mph.

Tonight 28 Aug East Bay Hills

Mostly clear. Lows in the lower 60s. Southwest Winds 10 to 15 Mph.

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Altamont Temperature Statistics

August Temperature

Livermore, Livermore Municipal Airport (8.7 miles)

  • Lowest 20 August, 2025

    54.6 °F

  • Average August

    73.5 °F

  • Highest 21 August, 2025

    102.7 °F

Climate (2020–Present)

Livermore, Livermore Municipal Airport (8.7 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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