Petaluma River - Upper Drawbridge Weather Forecast

    • 55
    • 87

    Increasing Clouds

    • 58
    • 85

    Partly Sunny

    • 51
    • 80

    Partly Sunny

    • 50
    • 77

    Partly Sunny

    • 50
    • 74

    Partly Sunny

    • 54
    • 82

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

Today 23 Sep North Bay Interior Valleys

Sunny. Highs in the upper 70s to lower 90s. Southwest Winds 5 to 10 Mph.

Tonight 23 Sep North Bay Interior Valleys

Mostly clear. Lows in the lower 50s to mid 60s. West Winds 5 to 10 Mph.

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Petaluma River - Upper Drawbridge Temperature Statistics

September Temperature

Petaluma Municipal Airport (1.9 miles)

  • Lowest 7 September, 2026

    44.6 °F

  • Average September

    64.1 °F

  • Highest 9 September, 2026

    96.8 °F

Climate (2021–2026)

Petaluma Municipal Airport (1.9 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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