Tomales Bay State Park Weather Forecast

    • 49
    • 61

    Decreasing Clouds

    • 49
    • 60

    Increasing Clouds

    • 47
    • 58

    Breezy

    • 47
    • 61

    Breezy

    • 50
    • 64

    Mostly Sunny

    • 47
    • 64

    Mostly Sunny

    • 49
    • 64

    Mostly Sunny

Today 15 May Coastal North Bay Including Point Reyes National Seashore

Sunny. Highs in the 60s. West Winds 10 to 20 Mph.

Tonight 15 May Coastal North Bay Including Point Reyes National Seashore

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tomales Bay State Park Temperature Statistics

May Temperature

Petaluma Municipal Airport (18 miles)

  • Lowest 9 May, 2025

    41 °F

  • Average May

    56.3 °F

  • Highest 5 May, 2025

    82.4 °F

Climate (2020–Present)

Petaluma Municipal Airport (18 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    55.5 °F

  • Average High 2020–2025

    69.5 °F
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