Tomales Bay - Preston Point Weather Forecast

    • 51
    • 57

    Increasing Clouds

    • 52
    • 59

    Increasing Clouds

    • 53
    • 58

    Partly Sunny

    • 55
    • 62

    Mostly Cloudy

    • 55
    • 67

    Mostly Cloudy

    • 54
    • 66

    Partly Sunny

    • 54
    • 66

    Partly Sunny

Today 8 Jul Coastal North Bay Including Point Reyes National Seashore

Partly cloudy. Highs in the 60s to lower 70s. West Winds 10 to 15 Mph.

Tonight 8 Jul Coastal North Bay Including Point Reyes National Seashore

Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 50s. Northwest Winds 5 to 15 Mph.

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Tomales Bay - Preston Point Temperature Statistics

July Temperature

Petaluma Municipal Airport (18 miles)

  • Lowest 1 July, 2026

    46.4 °F

  • Average July

    59.3 °F

  • Highest 1 July, 2026

    80.6 °F

Climate (2021–2026)

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

    68.5 °F
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