Two Rock Weather Forecast

    • 41
    • 65

    Becoming Sunny

    • 42
    • 67

    Areas Fog

    • 41
    • 65

    Mostly Cloudy

    • 40
    • 63

    Partly Sunny

    • 39
    • 61

    Partly Sunny

    • 41
    • 65

    Mostly Sunny

    • 44
    • 69

    Partly Sunny

Today 27 Oct North Bay Interior Valleys

Mostly cloudy. A chance of rain. Highs in the 60s.

Tonight 27 Oct North Bay Interior Valleys

Mostly clear except patchy fog after midnight. Lows in the upper 30s to lower 50s. Northwest Winds 5 to 15 Mph.

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Two Rock Temperature Statistics

October Temperature

Petaluma Municipal Airport (9.9 miles)

  • Lowest 13 October, 2026

    39.2 °F

  • Average October

    63.4 °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

    55.3 °F

  • Average High 2021–2026

    68.6 °F
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