Brentwood Weather Forecast

    • 63
    • 97

    Patchy Smoke

    • 67
    • 100

    Hot

    • 67
    • 103

    Hot

    • 64
    • 103

    Hot

    • 64
    • 97

    Hot

    • 63
    • 95

    Mostly Sunny

Today 6 Aug East Bay Interior Valleys

Sunny. Highs in the lower 90s. West Winds 5 to 15 Mph.

Tonight 6 Aug East Bay Interior Valleys

Clear except for smoke after midnight. Lows in the lower 60s. West Winds 5 to 15 Mph.

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Brentwood Temperature Statistics

August Temperature

Livermore, Livermore Municipal Airport (17.4 miles)

  • Lowest 1 August, 2026

    57.7 °F

  • Average August

    79.2 °F

  • Highest 3 August, 2026

    102 °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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