Duncans Mills Weather Forecast

    • 56
    • 80

    Becoming Sunny

    • 52
    • 72

    Mostly Sunny

    • 53
    • 73

    Mostly Sunny

    • 53
    • 76

    Mostly Sunny

    • 52
    • 71

    Areas Fog

    • 52
    • 67

    Areas Fog

Today 11 Sep Coastal North Bay Including Point Reyes National Seashore

Partly cloudy in the morning then becoming sunny. Highs in the 60s to mid 70s. West Winds 5 to 15 Mph.

Tonight 11 Sep Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. Lows in the mid 50s. West Winds 5 to 10 Mph.

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  • Temperature Real-Time

Duncans Mills Temperature Statistics

September Temperature

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

  • Lowest 5 September, 2026

    46.7 °F

  • Average September

    67.4 °F

  • Highest 8 September, 2026

    98.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    72.8 °F
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