Greenbrae Weather Forecast

    • 58
    • 74

    Increasing Clouds

    • 57
    • 75

    Mostly Cloudy

    • 56
    • 77

    Partly Sunny

    • 56
    • 79

    Partly Sunny

    • 56
    • 76

    Mostly Cloudy

    • 57
    • 78

    Partly Sunny

    • 57
    • 80

    Partly Sunny

Today 13 Aug North Bay Interior Valleys

Mostly cloudy late in the morning then becoming partly cloudy. Highs in the 60s to 70s. South Winds 10 to 20 Mph.

Tonight 13 Aug North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the 40s to upper 50s. Southwest Winds 10 to 20 Mph.

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Greenbrae Temperature Statistics

August Temperature

Novato / Gnoss Field (13 miles)

  • Lowest 10 August, 2026

    51.8 °F

  • Average August

    66.5 °F

  • Highest 2 August, 2026

    98.6 °F

Climate (2021–2026)

Novato / Gnoss Field (13 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    72.5 °F
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