Tomales Bay State Park Weather Forecast

    • 57
    • 70

    Mostly Sunny

    • 52
    • 67

    Decreasing Clouds

    • 52
    • 66

    Breezy

    • 53
    • 67

    Mostly Sunny

    • 53
    • 72

    Sunny

    • 56
    • 75

    Mostly Sunny

    • 56
    • 77

    Mostly Sunny

Today 19 Sep Coastal North Bay Including Point Reyes National Seashore

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tomales Bay State Park Temperature Statistics

September Temperature

Petaluma Municipal Airport (18 miles)

  • Lowest 15 September, 2017

    48.2 °F
  • Average September

    69.1 °F
  • Highest 2 September, 2017

    107.6 °F

Climate (2011–Present)

Petaluma Municipal Airport (18 miles)

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  • Average Low 2011–Present

    46.1 °F
  • Average 2011–Present

    56.9 °F
  • Average High 2011–Present

    70.6 °F
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