Two Rock Weather Forecast

    • 43
    • 61

    Increasing Clouds

    • 43
    • 62

    Partly Sunny

    • 44
    • 63

    Partly Sunny

    • 44
    • 63

    Partly Sunny

    • 47
    • 64

    Mostly Cloudy

    • 46
    • 66

    Partly Sunny

Today 5 Dec North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the lower 50s to mid 60s. Southeast Winds 5 to 10 Mph. Becoming south in the afternoon.

Tonight 5 Dec North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the 40s. Southwest Winds 5 to 10 Mph. Becoming northeast 10 to 15 Mph after midnight.

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  • Temperature Real-Time

Two Rock Temperature Statistics

December Temperature

Petaluma Municipal Airport (9.9 miles)

  • Lowest 2 December, 2025

    35.6 °F

  • Average December

    47.2 °F

  • Highest 3 December, 2025

    66.2 °F

Climate (2020–Present)

Petaluma Municipal Airport (9.9 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    68.7 °F
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