Tomales Bay - Tomales Beach Weather Forecast

    • 56
    • 60

    Mostly Cloudy

    • 52
    • 59

    Partly Sunny

    • 52
    • 58

    Chance Rain

    • 51
    • 59

    Mostly Sunny

    • 52
    • 58

    Mostly Sunny

    • 51
    • 56

    Chance Rain

Today 8 Oct Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. Highs in the mid 60s. South Winds 10 to 20 Mph.

Tonight 8 Oct Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. A slight chance of drizzle. Lows in the mid 50s. Southwest Winds 5 to 10 Mph.

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Tomales Bay - Tomales Beach Temperature Statistics

October Temperature

Petaluma Municipal Airport (18 miles)

  • Lowest 5 October, 2025

    44.6 °F

  • Average October

    60.5 °F

  • Highest 5 October, 2025

    78.8 °F

Climate (2020–Present)

Petaluma Municipal Airport (18 miles)

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  • Average Low 2020–2025

    44.4 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    69 °F
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