Two Rock Weather Forecast

    • 38
    • 59

    Becoming Sunny

    • 39
    • 62

    Mostly Sunny

    • 42
    • 61

    Mostly Sunny

    • 44
    • 64

    Mostly Sunny

    • 44
    • 65

    Mostly Sunny

    • 42
    • 63

    Partly Sunny

Today 12 Jan North Bay Interior Valleys

Sunny. Patchy dense fog in the morning. Highs in the 50s to mid 60s. Northeast Winds 5 to 10 Mph. Becoming southeast in the afternoon.

Tonight 12 Jan North Bay Interior Valleys

Mostly clear except patchy fog. Lows in the 30s to mid 40s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Two Rock Temperature Statistics

January Temperature

Petaluma Municipal Airport (9.9 miles)

  • Lowest 9 January, 2026

    30.2 °F

  • Average January

    49.7 °F

  • Highest 3 January, 2026

    60.8 °F

Climate (2021–Present)

Petaluma Municipal Airport (9.9 miles)

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  • Average Low 2021–2026

    44.6 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    68.6 °F
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