Tomales Bay - Preston Point Weather Forecast

    • 52
    • 57

    Rain Showers Likely

    • 53
    • 58

    Rain Showers Likely

    • 51
    • 56

    Slight Chance Rain Showers

    • 48
    • 58

    Mostly Sunny

    • 49
    • 64

    Partly Sunny

    • 49
    • 65

    Partly Sunny

Today 20 Oct Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. Highs in the lower 60s. East Winds around 5 Mph. Becoming southwest in the afternoon.

Tonight 20 Oct Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the lower 50s. Northwest Winds around 5 Mph in the evening. Becoming light.

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Tomales Bay - Preston Point Temperature Statistics

October Temperature

Petaluma Municipal Airport (18 miles)

  • Lowest 13 October, 2026

    39.2 °F

  • Average October

    65.9 °F

  • Highest 3 October, 2026

    98.6 °F

Climate (2021–2026)

Petaluma Municipal Airport (18 miles)

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  • Average Low 2021–2026

    44.7 °F

  • Average 2021–2026

    55.3 °F

  • Average High 2021–2026

    68.6 °F
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