Brentwood Weather Forecast

    • 69
    • 100

    Hot

    • 68
    • 101

    Hot

    • 64
    • 100

    Hot

    • 65
    • 98

    Hot

    • 63
    • 95

    Mostly Sunny

    • 57
    • 86

    Mostly Sunny

Today 5 Oct East Bay Interior Valleys

Sunny. Highs around 101. Northwest Winds up to 5 Mph.

Tonight 5 Oct East Bay Interior Valleys

Clear. Lows in the upper 60s. West Winds up to 5 Mph.

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Brentwood Temperature Statistics

October Temperature

Livermore, Livermore Municipal Airport (17.4 miles)

  • Lowest 1 October, 2026

    57 °F

  • Average October

    73.9 °F

  • Highest 1 October, 2026

    95 °F

Climate (2021–2026)

Livermore, Livermore Municipal Airport (17.4 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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