Byron Airport Weather Forecast

    • 57
    • 79

    Mostly Sunny

    • 59
    • 81

    Mostly Sunny

    • 58
    • 79

    Sunny

    • 63
    • 87

    Sunny

    • 63
    • 89

    Partly Sunny

    • 65
    • 88

    Partly Sunny

Today 4 Sep East Bay Interior Valleys

Sunny. Highs in the upper 70s. West Winds 5 to 15 Mph.

Tonight 4 Sep East Bay Interior Valleys

Mostly clear. Lows in the mid 50s. West Winds 5 to 15 Mph. Becoming southwest up to 5 Mph after midnight.

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Byron Airport Temperature Statistics

September Temperature

Livermore, Livermore Municipal Airport (13.7 miles)

  • Lowest 1 September, 2026

    59 °F

  • Average September

    64.7 °F

  • Highest 1 September, 2026

    73.9 °F

Climate (2021–2026)

Livermore, Livermore Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    49 °F

  • Average 2021–2026

    61 °F

  • Average High 2021–2026

    74.1 °F
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