Greenbrae Weather Forecast

    • 50
    • 73

    Mostly Sunny

    • 52
    • 79

    Mostly Sunny

    • 53
    • 80

    Sunny

    • 57
    • 90

    Sunny

    • 54
    • 94

    Sunny

    • 53
    • 86

    Mostly Sunny

    • 52
    • 76

    Mostly Sunny

Today 12 Oct North Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. Breezy. Highs in the lower 60s to mid 70s.

Tonight 12 Oct North Bay Interior Valleys

Mostly clear. Areas of fog in the evening. Lows in the 40s to lower 50s. Northwest Winds 5 to 10 Mph.

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Greenbrae Temperature Statistics

October Temperature

Novato / Gnoss Field (13 miles)

  • Lowest 1 October, 2026

    48.2 °F

  • Average October

    66.1 °F

  • Highest 3 October, 2026

    100.4 °F

Climate (2021–2026)

Novato / Gnoss Field (13 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    72.5 °F
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