Corte Madera Creek - Greenbrae Weather Forecast

    • 56
    • 89

    Becoming Sunny

    • 60
    • 85

    Partly Sunny

    • 50
    • 79

    Mostly Sunny

    • 51
    • 76

    Mostly Sunny

    • 51
    • 72

    Mostly Sunny

    • 53
    • 82

    Mostly Sunny

Today 23 Sep North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Areas of fog in the morning. Highs in the upper 70s to lower 90s. West Winds 5 to 10 Mph.

Tonight 23 Sep North Bay Interior Valleys

Mostly clear. Lows in the lower 50s to mid 60s. West Winds 5 to 10 Mph.

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Corte Madera Creek - Greenbrae Temperature Statistics

September Temperature

Novato / Gnoss Field (13.7 miles)

  • Lowest 6 September, 2026

    48.2 °F

  • Average September

    65.7 °F

  • Highest 9 September, 2026

    100.4 °F

Climate (2021–2026)

Novato / Gnoss Field (13.7 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    72.4 °F
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