Sonoma Valley Regional Park Weather Forecast

    • 52
    • 77

    Chance Rain

    • 52
    • 76

    Rain

    • 49
    • 73

    Rain

    • 49
    • 78

    Mostly Sunny

    • 49
    • 81

    Mostly Sunny

    • 51
    • 82

    Mostly Sunny

    • 55
    • 87

    Mostly Sunny

Today 1 Sep North Bay Interior Valleys

Partly cloudy. Highs in the mid 60s to upper 70s. Southwest Winds 10 to 20 Mph.

Tonight 1 Sep North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. A chance of drizzle after midnight. Lows in the 40s to upper 50s. Southwest Winds 10 to 20 Mph. Becoming south up to 5 Mph after midnight.

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Sonoma Valley Regional Park Temperature Statistics

September Temperature

Petaluma Municipal Airport (8.1 miles)

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Climate (2021–2026)

Petaluma Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    44.7 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    68.5 °F
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