Tomales Bay - Preston Point Weather Forecast

    • 50
    • 56

    Increasing Clouds

    • 50
    • 55

    Mostly Cloudy

    • 50
    • 55

    Mostly Cloudy

    • 49
    • 58

    Breezy

    • 51
    • 63

    Mostly Sunny

    • 50
    • 63

    Partly Sunny

Today 23 May Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy in the morning then becoming partly cloudy. Highs near 60. South Winds 5 to 10 Mph.

Tonight 23 May Coastal North Bay Including Point Reyes National Seashore

Cloudy. Patchy fog. Lows around 50. South Winds around 5 Mph.

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Tomales Bay - Preston Point Temperature Statistics

May Temperature

Petaluma Municipal Airport (18 miles)

  • Lowest 4 May, 2026

    42.8 °F

  • Average May

    59 °F

  • Highest 19 May, 2026

    87.8 °F

Climate (2021–Present)

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

    68.6 °F
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