Tomales Bay Weather Forecast

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    • 55

    Decreasing Clouds

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    • 55

    Breezy

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    • 57

    Breezy

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    • 59

    Breezy

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    • 59

    Partly Sunny

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    • 57

    Partly Sunny

Today 24 May Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. Patchy fog in the morning. Highs around 60. South Winds 5 to 10 Mph.

Tonight 24 May Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. Patchy fog after midnight. Lows in the upper 40s. West Winds around 5 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Tomales Bay Temperature Statistics

May Temperature

Petaluma Municipal Airport (17.4 miles)

  • Lowest 4 May, 2026

    42.8 °F

  • Average May

    58.8 °F

  • Highest 19 May, 2026

    87.8 °F

Climate (2021–Present)

Petaluma Municipal Airport (17.4 miles)

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  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    68.6 °F
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