Tomales Bay - Preston Point Weather Forecast

    • 54
    • 60

    Mostly Cloudy

    • 53
    • 58

    Mostly Cloudy

    • 54
    • 58

    Partly Sunny

    • 55
    • 61

    Partly Sunny

    • 54
    • 65

    Partly Sunny

    • 54
    • 65

    Partly Sunny

Today 22 Jul Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. Highs in the mid 60s. South Winds 5 to 10 Mph.

Tonight 22 Jul Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. Lows in the mid 50s. West Winds around 5 Mph.

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Tomales Bay - Preston Point Temperature Statistics

July Temperature

Petaluma Municipal Airport (18 miles)

  • Lowest 17 July, 2026

    44.6 °F

  • Average July

    61.9 °F

  • Highest 13 July, 2026

    95 °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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