Two Rock Weather Forecast

    • 48
    • 75

    Increasing Clouds

    • 51
    • 67

    Partly Sunny

    • 48
    • 70

    Mostly Sunny

    • 51
    • 77

    Mostly Sunny

    • 50
    • 79

    Mostly Sunny

    • 49
    • 76

    Mostly Sunny

    • 52
    • 79

    Mostly Sunny

Today 11 May North Bay Interior Valleys

Partly cloudy. Highs in the lower 70s to mid 80s. South Winds 5 to 10 Mph.

Tonight 11 May North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Areas of fog after midnight. Lows in the upper 40s to lower 60s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Two Rock Temperature Statistics

May Temperature

Petaluma Municipal Airport (9.9 miles)

  • Lowest 4 May, 2026

    42.8 °F

  • Average May

    55.6 °F

  • Highest 9 May, 2026

    75.2 °F

Climate (2021–Present)

Petaluma Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    44.8 °F

  • Average 2021–2026

    55.2 °F

  • Average High 2021–2026

    68.5 °F
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