Sonoma Valley Regional Park Weather Forecast

    • 52
    • 86

    Increasing Clouds

    • 56
    • 87

    Mostly Cloudy

    • 57
    • 84

    Mostly Cloudy

    • 58
    • 89

    Partly Sunny

    • 56
    • 88

    Mostly Sunny

    • 54
    • 86

    Mostly Sunny

Today 18 Jul North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the lower 70s to mid 80s. Southwest Winds 5 to 15 Mph.

Tonight 18 Jul North Bay Interior Valleys

Mostly clear in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 40s to mid 50s. Southwest Winds 5 to 15 Mph.

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  • Temperature Real-Time

Sonoma Valley Regional Park Temperature Statistics

July Temperature

Petaluma Municipal Airport (8.1 miles)

  • Lowest 1 July, 2026

    46.4 °F

  • Average July

    62 °F

  • Highest 13 July, 2026

    95 °F

Climate (2021–2026)

Petaluma Municipal Airport (8.1 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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