Brentwood Weather Forecast

    • 47
    • 75

    Increasing Clouds

    • 47
    • 72

    Partly Sunny

    • 49
    • 74

    Sunny

    • 50
    • 79

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

    • 53
    • 79

    Partly Sunny

Today 9 Mar East Bay Interior Valleys

Sunny. Patchy fog in the morning. Highs in the mid 70s. Northeast Winds around 5 Mph. Becoming northwest 5 to 15 Mph in the afternoon.

Tonight 9 Mar East Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 40s. West Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brentwood Temperature Statistics

March Temperature

Livermore, Livermore Municipal Airport (17.4 miles)

  • Lowest 5 March, 2026

    39 °F

  • Average March

    57.1 °F

  • Highest 3 March, 2026

    70 °F

Climate (2021–Present)

Livermore, Livermore Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    48.9 °F

  • Average 2021–2026

    60.7 °F

  • Average High 2021–2026

    74 °F
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