Two Rock Weather Forecast

    • 45
    • 73

    Mostly Sunny

    • 47
    • 77

    Mostly Sunny

    • 53
    • 85

    Mostly Sunny

    • 48
    • 88

    Mostly Sunny

    • 48
    • 80

    Mostly Sunny

    • 48
    • 67

    Partly Sunny

    • 45
    • 65

    Slight Chance Rain

Today 13 Oct North Bay Interior Valleys

Sunny. Highs in the upper 60s to lower 80s. Northwest Winds 10 to 20 Mph.

Tonight 13 Oct North Bay Interior Valleys

Mostly clear. Lows in the lower 40s to mid 50s. Northwest Winds 10 to 20 Mph decreasing to up to 5 Mph after midnight.

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Two Rock Temperature Statistics

October Temperature

Petaluma Municipal Airport (9.9 miles)

  • Lowest 11 October, 2026

    41 °F

  • Average October

    65.3 °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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