Marshall Weather Forecast

    • 53
    • 61

    Mostly Sunny

    • 53
    • 64

    Partly Sunny

    • 53
    • 62

    Partly Sunny

    • 53
    • 59

    Mostly Cloudy

    • 54
    • 59

    Mostly Cloudy

    • 54
    • 58

    Mostly Cloudy

    • 55
    • 57

    Partly Sunny

Today 20 Aug Coastal North Bay Including Point Reyes National Seashore

Sunny. Highs in the mid 60s to lower 80s. West Winds 5 to 15 Mph.

Tonight 20 Aug Coastal North Bay Including Point Reyes National Seashore

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. Northwest Winds 10 to 20 Mph becoming 5 to 10 Mph after midnight.

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Marshall Temperature Statistics

August Temperature

Petaluma Municipal Airport (16.8 miles)

  • Lowest 3 August, 2025

    46.4 °F

  • Average August

    62.4 °F

  • Highest 6 August, 2025

    87.8 °F

Climate (2020–Present)

Petaluma Municipal Airport (16.8 miles)

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  • Average Low 2020–2025

    44.5 °F

  • Average 2020–2025

    55.2 °F

  • Average High 2020–2025

    69.1 °F
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