Marconi Conference Center State Historic Park Weather Forecast

    • 51
    • 59

    Mostly Sunny

    • 54
    • 63

    Mostly Sunny

    • 54
    • 63

    Mostly Sunny

    • 52
    • 56

    Patchy Fog

    • 53
    • 56

    Patchy Fog

    • 55
    • 58

    Mostly Cloudy

Today 19 Oct Coastal North Bay Including Point Reyes National Seashore

Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the mid 60s to lower 70s. Southwest Winds around 5 Mph increasing to west 10 to 20 Mph in the afternoon.

Tonight 19 Oct Coastal North Bay Including Point Reyes National Seashore

Mostly clear except patchy fog after midnight. Lows in the lower 50s. Northwest Winds 10 to 20 Mph. Becoming north 5 to 10 Mph after midnight.

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Marconi Conference Center State Historic Park Temperature Statistics

October Temperature

Petaluma Municipal Airport (16.8 miles)

  • Lowest 10 October, 2025

    42.8 °F

  • Average October

    56.3 °F

  • Highest 7 October, 2025

    86 °F

Climate (2020–Present)

Petaluma Municipal Airport (16.8 miles)

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  • Average Low 2020–2025

    44.4 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    68.9 °F
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