Altamont Weather Forecast

    • 53
    • 75

    Sunny

    • 54
    • 75

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

    • 51
    • 68

    Partly Sunny

    • 52
    • 69

    Partly Sunny

    • 54
    • 69

    Chance Rain

    • 52
    • 64

    Rain Likely

Today 19 Oct East Bay Hills

Sunny. Highs in the mid 70s. Southwest Winds around 10 Mph.

Tonight 19 Oct East Bay Hills

Clear. Lows in the mid 50s. West Winds around 10 Mph. Becoming north after midnight.

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Altamont Temperature Statistics

October Temperature

Livermore, Livermore Municipal Airport (8.7 miles)

  • Lowest 12 October, 2025

    44.1 °F

  • Average October

    62 °F

  • Highest 7 October, 2025

    90 °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 °F
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