Two Rock Weather Forecast

    • 42
    • 59

    Dense Fog

    • 44
    • 61

    Areas Fog

    • 45
    • 65

    Areas Fog

    • 44
    • 65

    Areas Fog

    • 42
    • 65

    Areas Fog

    • 44
    • 64

    Areas Fog

Today 8 Dec North Bay Interior Valleys

Mostly cloudy in the morning then becoming sunny. Areas of fog in the morning. Highs in the lower 50s to mid 60s. East Winds up to 5 Mph. Becoming south in the afternoon.

Tonight 8 Dec North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Areas of fog. Lows in the 30s to upper 40s. North Winds up to 5 Mph.

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  • Temperature Forecast NOAA

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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

    44.7 °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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