Tamalpais Valley Weather Forecast

    • 56
    • 69

    Increasing Clouds

    • 58
    • 71

    Increasing Clouds

    • 58
    • 71

    Chance Rain Showers

    • 57
    • 70

    Chance Rain Showers

    • 56
    • 71

    Slight Chance Rain Showers

    • 56
    • 69

    Partly Sunny

    • 56
    • 71

    Mostly Sunny

Today 6 Sep Coastal North Bay Including Point Reyes National Seashore

Partly cloudy. Highs in the mid to upper 60s. West Winds around 10 Mph.

Tonight 6 Sep Coastal North Bay Including Point Reyes National Seashore

Partly cloudy. Patchy fog after midnight. Lows in the mid 50s. West Winds 5 to 10 Mph.

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  • Temperature Real-Time

Tamalpais Valley Temperature Statistics

September Temperature

Novato / Gnoss Field (18 miles)

  • Lowest 1 September, 2025

    51.8 °F

  • Average September

    64.8 °F

  • Highest 1 September, 2025

    89.6 °F

Climate (2020–Present)

Novato / Gnoss Field (18 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    72.6 °F
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