Helen Putnam Regional Park Weather Forecast

    • 52
    • 80

    Becoming Sunny

    • 52
    • 84

    Mostly Sunny

    • 54
    • 87

    Mostly Sunny

    • 53
    • 83

    Mostly Sunny

    • 57
    • 85

    Partly Sunny

    • 58
    • 87

    Partly Sunny

Today 15 Mar North Bay Interior Valleys

Sunny. Highs in the mid 70s to upper 80s. Northwest Winds 5 to 10 Mph.

Tonight 15 Mar North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s to mid 60s. Northwest Winds 5 to 10 Mph.

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Helen Putnam Regional Park Temperature Statistics

March Temperature

Petaluma Municipal Airport (3.7 miles)

  • Lowest 10 March, 2026

    37.4 °F

  • Average March

    55.7 °F

  • Highest 7 March, 2026

    78.8 °F

Climate (2021–Present)

Petaluma Municipal Airport (3.7 miles)

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  • Average Low 2021–2026

    44.7 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    68.5 °F
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