Two Rock Weather Forecast

    • 48
    • 54

    Rain Showers

    • 42
    • 53

    Rain Showers

    • 36
    • 53

    Partly Sunny

    • 36
    • 53

    Partly Sunny

    • 37
    • 55

    Mostly Sunny

    • 38
    • 56

    Mostly Sunny

    • 41
    • 56

    Partly Sunny

Today 25 Dec North Bay Interior Valleys

Breezy. Showers and a slight chance of Thunderstorms. Some Thunderstorms may be severe with heavy rainfall. Highs in the 40s to upper 50s. South Winds 20 to 30 Mph.

Tonight 25 Dec North Bay Interior Valleys

Breezy. Showers in the evening. A slight chance of Thunderstorms. A chance of Showers after midnight. Some Thunderstorms may be severe with heavy rainfall. Lows in the 40s to lower 50s. South Winds 20 to 30 Mph decreasing to 10 to 20 Mph after midnight. Gusts up to 45 Mph.

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Two Rock Temperature Statistics

December Temperature

Petaluma Municipal Airport (9.9 miles)

  • Lowest 4 December, 2025

    33.8 °F

  • Average December

    46.4 °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

    68.6 °F
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