Lower Colgan Creek Park Weather Forecast

    • 55
    • 89

    Mostly Sunny

    • 56
    • 91

    Increasing Clouds

    • 57
    • 82

    Slight Chance Rain Showers

    • 55
    • 78

    Slight Chance Rain Showers

    • 55
    • 79

    Mostly Sunny

    • 58
    • 86

    Mostly Sunny

    • 58
    • 88

    Slight Chance Rain Showers

Today 16 Sep North Bay Interior Valleys

Sunny. Highs in the upper 70s to lower 90s. Southwest Winds 5 to 10 Mph.

Tonight 16 Sep North Bay Interior Valleys

Clear. Lows in the lower 50s to mid 60s. West Winds 5 to 10 Mph.

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Lower Colgan Creek Park Temperature Statistics

September Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (8.1 miles)

  • Lowest 14 September, 2025

    48 °F

  • Average September

    65.3 °F

  • Highest 1 September, 2025

    99 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (8.1 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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