Sonoma Coast State Beach Weather Forecast

    • 57
    • 63

    Gradual Clearing

    • 53
    • 62

    Partly Sunny

    • 53
    • 59

    Partly Sunny

    • 51
    • 58

    Partly Sunny

    • 55
    • 63

    Mostly Sunny

    • 56
    • 67

    Mostly Sunny

    • 55
    • 67

    Mostly Sunny

Today 24 Sep Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. Highs in the upper 60s to mid 70s. West Winds 10 to 15 Mph.

Tonight 24 Sep Coastal North Bay Including Point Reyes National Seashore

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

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  • Temperature Real-Time

Sonoma Coast State Beach Temperature Statistics

September Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (16.2 miles)

  • Lowest 5 September, 2026

    46.7 °F

  • Average September

    66.9 °F

  • Highest 10 September, 2026

    101.6 °F

Climate (2021–2026)

Santa Rosa, Santa Rosa Sonoma County Airport (16.2 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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