Estero Americano Mouth Weather Forecast

    • 48
    • 55

    Increasing Clouds

    • 48
    • 57

    Increasing Clouds

    • 47
    • 57

    Partly Sunny

    • 49
    • 56

    Partly Sunny

    • 50
    • 57

    Partly Sunny

    • 51
    • 59

    Partly Sunny

    • 50
    • 58

    Partly Sunny

Today 5 Dec Coastal North Bay Including Point Reyes National Seashore

Partly cloudy. Highs in the upper 50s. West Winds around 5 Mph.

Tonight 5 Dec Coastal North Bay Including Point Reyes National Seashore

Partly cloudy. Lows in the upper 40s. North Winds around 5 Mph.

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Estero Americano Mouth Temperature Statistics

December Temperature

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

  • Lowest 2 December, 2025

    36 °F

  • Average December

    47.8 °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

    72.6 °F
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