Dillon Beach Weather Forecast

    • 56
    • 66

    Partly Sunny

    • 55
    • 68

    Mostly Sunny

    • 55
    • 70

    Mostly Sunny

    • 54
    • 71

    Partly Sunny

    • 54
    • 69

    Mostly Sunny

    • 53
    • 67

    Partly Sunny

    • 54
    • 65

    Partly Sunny

Today 13 Sep Coastal North Bay Including Point Reyes National Seashore

Sunny. Highs in the mid 60s to lower 70s. West Winds 15 to 20 Mph.

Tonight 13 Sep Coastal North Bay Including Point Reyes National Seashore

Mostly clear late in the evening then becoming partly cloudy. A slight chance of drizzle. Lows in the upper 50s. West Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Dillon Beach Temperature Statistics

September Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (18.6 miles)

  • Lowest 7 September, 2025

    48.9 °F

  • Average September

    65.6 °F

  • Highest 1 September, 2025

    99 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (18.6 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    57.9 °F

  • Average High 2020–2025

    72.8 °F
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