Two Rock Weather Forecast

    • 49
    • 67

    Mostly Cloudy

    • 50
    • 71

    Chance Rain Showers

    • 45
    • 66

    Chance Rain Showers

    • 44
    • 72

    Mostly Sunny

    • 45
    • 75

    Mostly Sunny

    • 46
    • 76

    Partly Sunny

    • 45
    • 75

    Partly Sunny

Today 20 Oct North Bay Interior Valleys

Mostly cloudy. Highs in the 60s to lower 70s. South Winds 5 to 10 Mph.

Tonight 20 Oct North Bay Interior Valleys

Mostly cloudy. Lows in the 40s to mid 50s. West Winds up to 5 Mph in the evening. Becoming light.

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  • Temperature Real-Time

Two Rock Temperature Statistics

October Temperature

Petaluma Municipal Airport (9.9 miles)

  • Lowest 13 October, 2026

    39.2 °F

  • Average October

    65.9 °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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