Tomales Bay State Park Weather Forecast

    • 55
    • 70

    Mostly Sunny

    • 53
    • 72

    Mostly Sunny

    • 52
    • 72

    Partly Sunny

    • 53
    • 69

    Partly Sunny

    • 53
    • 63

    Partly Sunny

    • 53
    • 64

    Partly Sunny

Today 1 Aug Coastal North Bay Including Point Reyes National Seashore

Sunny. Patchy smoke in the morning. Areas of smoke in the afternoon. Highs in the 70s to lower 80s. Northwest Winds 10 to 20 Mph.

Tonight 1 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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Tomales Bay State Park Temperature Statistics

August Temperature

Petaluma Municipal Airport (18 miles)

  • Lowest

  • Average August

  • Highest

Climate (2021–2026)

Petaluma Municipal Airport (18 miles)

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  • Average Low 2021–2026

    44.8 °F
  • Average 2021–2026

    55.2 °F
  • Average High 2021–2026

    68.5 °F
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