Austin Creek State Recreation Area Weather Forecast

    • 58
    • 88

    Chance Rain Showers

    • 57
    • 81

    Partly Sunny

    • 58
    • 84

    Mostly Sunny

    • 61
    • 90

    Sunny

    • 60
    • 93

    Mostly Sunny

    • 60
    • 86

    Slight Chance Rain Showers

Today 18 Sep Sonoma Coastal Range

Partly cloudy. A slight chance of Showers. Isolated Thunderstorms in the afternoon. Highs in the mid 80s. Light Winds. Becoming southwest around 5 Mph in the afternoon.

Tonight 18 Sep Sonoma Coastal Range

Mostly cloudy. A slight chance of Showers and isolated Thunderstorms. Lows in the upper 50s. Light Winds.

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Austin Creek State Recreation Area Temperature Statistics

September Temperature

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

  • Lowest 14 September, 2025

    48 °F

  • Average September

    65.9 °F

  • Highest 1 September, 2025

    99 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (13 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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