Two Rock Weather Forecast

    • 45
    • 61

    Rain Showers Likely

    • 41
    • 63

    Slight Chance Rain Showers

    • 44
    • 67

    Mostly Sunny

    • 47
    • 66

    Partly Sunny

    • 47
    • 63

    Mostly Cloudy

    • 44
    • 64

    Partly Sunny

Today 21 Apr North Bay Interior Valleys

A chance of Thunderstorms. Showers likely in the afternoon. Highs in the 50s to mid 60s. Southwest Winds 5 to 15 Mph.

Tonight 21 Apr North Bay Interior Valleys

Mostly cloudy. A slight chance of Thunderstorms in the evening. A chance of Showers. Patchy fog after midnight. Lows in the 40s to lower 50s. West Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Two Rock Temperature Statistics

April Temperature

Petaluma Municipal Airport (9.9 miles)

  • Lowest 18 April, 2026

    35.6 °F
  • Average April

    56.3 °F
  • Highest 5 April, 2026

    84.2 °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

    68.6 °F
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