Duncans Mills Weather Forecast

    • 40
    • 55

    Becoming Sunny

    • 41
    • 57

    Mostly Sunny

    • 42
    • 58

    Mostly Sunny

    • 45
    • 58

    Chance Rain

    • 47
    • 55

    Rain Likely

    • 44
    • 55

    Chance Rain

Today 28 Dec Coastal North Bay Including Point Reyes National Seashore

Sunny. Highs in the mid 50s. Northeast Winds around 5 Mph. Becoming south in the afternoon.

Tonight 28 Dec Coastal North Bay Including Point Reyes National Seashore

Mostly clear. Lows in the upper 30s. Northeast Winds around 5 Mph.

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Duncans Mills Temperature Statistics

December Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (13 miles)

  • Lowest 4 December, 2025

    34 °F

  • Average December

    48.2 °F

  • Highest 3 December, 2025

    68 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (13 miles)

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    72.5 °F
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