Tomales Bay Weather Forecast

    • 52
    • 58

    Increasing Clouds

    • 52
    • 59

    Partly Sunny

    • 54
    • 56

    Mostly Cloudy

    • 53
    • 57

    Mostly Cloudy

    • 54
    • 60

    Mostly Cloudy

    • 53
    • 62

    Partly Sunny

Today 29 Aug Coastal North Bay Including Point Reyes National Seashore

Partly cloudy in the morning then becoming sunny. Highs in the 60s to lower 70s. Northwest Winds 10 to 20 Mph.

Tonight 29 Aug Coastal North Bay Including Point Reyes National Seashore

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. Northwest Winds 10 to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tomales Bay Temperature Statistics

August Temperature

Petaluma Municipal Airport (17.4 miles)

  • Lowest 10 August, 2026

    46.4 °F

  • Average August

    63.2 °F

  • Highest 2 August, 2026

    93.2 °F

Climate (2021–2026)

Petaluma Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    44.7 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    68.5 °F
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