Tamalpais Valley Weather Forecast

    • 45
    • 50

    Mostly Sunny

    • 45
    • 53

    Mostly Sunny

    • 45
    • 53

    Mostly Sunny

    • 45
    • 57

    Partly Sunny

    • 46
    • 56

    Mostly Cloudy

    • 51
    • 57

    Chance Rain Showers

    • 51
    • 59

    Chance Rain Showers

Today 10 Dec Coastal North Bay Including Point Reyes National Seashore

Sunny. Highs in the upper 50s. West Winds around 5 Mph.

Tonight 10 Dec Coastal North Bay Including Point Reyes National Seashore

Clear except for dense fog. Lows in the mid 40s. Light Winds. Becoming northeast around 5 Mph after midnight.

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Tamalpais Valley Temperature Statistics

December Temperature

Novato / Gnoss Field (18 miles)

  • Lowest 2 December, 2025

    37.4 °F

  • Average December

    46.5 °F

  • Highest 3 December, 2025

    71.6 °F

Climate (2020–Present)

Novato / Gnoss Field (18 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    57.4 °F

  • Average High 2020–2025

    72.3 °F
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