Tomales Bay Weather Forecast

    • 52
    • 58

    Mostly Sunny

    • 54
    • 61

    Increasing Clouds

    • 53
    • 60

    Partly Sunny

    • 54
    • 60

    Partly Sunny

    • 54
    • 61

    Mostly Cloudy

    • 54
    • 60

    Mostly Cloudy

    • 53
    • 59

    Mostly Cloudy

Today 5 Aug Coastal North Bay Including Point Reyes National Seashore

Sunny. Highs in the 60s to lower 70s. West Winds 10 to 15 Mph.

Tonight 5 Aug Coastal North Bay Including Point Reyes National Seashore

Mostly clear. Lows in the mid 50s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tomales Bay Temperature Statistics

August Temperature

Petaluma Municipal Airport (17.4 miles)

  • Lowest 3 August, 2025

    46.4 °F

  • Average August

    61 °F

  • Highest 1 August, 2025

    82.4 °F

Climate (2020–Present)

Petaluma Municipal Airport (17.4 miles)

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  • Average Low 2020–2025

    44.5 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    69.2 °F
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