Two Rock Weather Forecast

    • 54
    • 89

    Mostly Sunny

    • 52
    • 87

    Increasing Clouds

    • 54
    • 86

    Mostly Sunny

    • 51
    • 79

    Partly Sunny

    • 46
    • 70

    Mostly Sunny

    • 48
    • 71

    Mostly Sunny

    • 47
    • 72

    Mostly Sunny

Today 6 Oct North Bay Interior Valleys

Sunny. Highs in the mid 80s to upper 90s. West Winds 5 to 10 Mph.

Tonight 6 Oct North Bay Interior Valleys

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

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Two Rock Temperature Statistics

October Temperature

Petaluma Municipal Airport (9.9 miles)

  • Lowest 1 October, 2026

    44.6 °F

  • Average October

    70.5 °F

  • Highest 3 October, 2026

    98.6 °F

Climate (2021–2026)

Petaluma Municipal Airport (9.9 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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