Tomales Bay - Preston Point Weather Forecast

    • 52
    • 57

    Rain

    • 50
    • 56

    Rain Showers

    • 49
    • 53

    Rain Showers

    • 45
    • 52

    Rain Showers

    • 41
    • 52

    Slight Chance Rain Showers

    • 40
    • 52

    Partly Sunny

    • 42
    • 52

    Mostly Sunny

Today 23 Dec Coastal North Bay Including Point Reyes National Seashore

Showers. Highs in the upper 50s. Southeast Winds around 20 Mph with Gusts to around 45 Mph.

Tonight 23 Dec Coastal North Bay Including Point Reyes National Seashore

Breezy, Showers. A slight chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall after midnight. Lows in the lower 50s. South Winds 20 to 30 Mph with Gusts to around 60 Mph.

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Tomales Bay - Preston Point Temperature Statistics

December Temperature

Petaluma Municipal Airport (18 miles)

  • Lowest 4 December, 2025

    33.8 °F

  • Average December

    45.6 °F

  • Highest 3 December, 2025

    66.2 °F

Climate (2020–Present)

Petaluma Municipal Airport (18 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    68.6 °F
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