Ernie Smith Park Weather Forecast

    • 49
    • 80

    Increasing Clouds

    • 51
    • 85

    Mostly Sunny

    • 53
    • 89

    Mostly Sunny

    • 54
    • 88

    Partly Sunny

    • 58
    • 90

    Mostly Cloudy

    • 58
    • 90

    Partly Sunny

    • 58
    • 92

    Mostly Sunny

Today 7 Jul North Bay Interior Valleys

Sunny. Highs in the upper 60s to lower 80s. Southwest Winds 10 to 20 Mph.

Tonight 7 Jul North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 40s to mid 50s. Southwest Winds 10 to 20 Mph.

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Ernie Smith Park Temperature Statistics

July Temperature

Petaluma Municipal Airport (6.2 miles)

  • Lowest 1 July, 2026

    46.4 °F

  • Average July

    59.5 °F

  • Highest 1 July, 2026

    80.6 °F

Climate (2021–2026)

Petaluma Municipal Airport (6.2 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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