Estero Americano Mouth Weather Forecast

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Today 19 Dec Coastal North Bay Including Point Reyes National Seashore

Rain. Highs in the upper 50s. Southwest Winds 5 to 15 Mph.

Tonight 19 Dec Coastal North Bay Including Point Reyes National Seashore

Rain likely. Lows in the lower 50s. South Winds 5 to 10 Mph.

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Estero Americano Mouth Temperature Statistics

December Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (16.8 miles)

  • Lowest 4 December, 2025

    34 °F

  • Average December

    44.7 °F

  • Highest 3 December, 2025

    68 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (16.8 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    57.9 °F

  • Average High 2020–2025

    72.5 °F
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