Helen Putnam Regional Park Weather Forecast

    • 53
    • 79

    Becoming Sunny

    • 52
    • 78

    Partly Sunny

    • 51
    • 79

    Partly Sunny

    • 52
    • 82

    Mostly Sunny

    • 54
    • 84

    Mostly Sunny

    • 53
    • 85

    Partly Sunny

Today 26 Aug North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Patchy dense fog in the morning. Highs in the lower 70s to mid 80s. Southwest Winds 10 to 20 Mph.

Tonight 26 Aug North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the 50s. Southwest Winds 10 to 20 Mph.

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  • Temperature Real-Time

Helen Putnam Regional Park Temperature Statistics

August Temperature

Petaluma Municipal Airport (3.7 miles)

  • Lowest 19 August, 2025

    44.6 °F

  • Average August

    62.7 °F

  • Highest 21 August, 2025

    91.4 °F

Climate (2020–Present)

Petaluma Municipal Airport (3.7 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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