Tomales Bay - Preston Point Weather Forecast

    • 41
    • 55

    Mostly Cloudy

    • 41
    • 56

    Partly Sunny

    • 43
    • 53

    Mostly Sunny

    • 45
    • 57

    Mostly Sunny

    • 47
    • 57

    Mostly Sunny

    • 48
    • 59

    Mostly Sunny

    • 48
    • 59

    Mostly Sunny

Today 10 Jan Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. Highs in the upper 50s. East Winds around 5 Mph.

Tonight 10 Jan Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy in the evening then becoming partly cloudy. Lows in the lower 40s. East Winds around 5 Mph.

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Tomales Bay - Preston Point Temperature Statistics

January Temperature

Petaluma Municipal Airport (18 miles)

  • Lowest 8 January, 2026

    37.4 °F

  • Average January

    50.6 °F

  • Highest 3 January, 2026

    60.8 °F

Climate (2021–Present)

Petaluma Municipal Airport (18 miles)

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  • Average Low 2021–2026

    44.6 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    68.6 °F
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