Mark West Springs Weather Forecast

    • 56
    • 92

    Becoming Sunny

    • 54
    • 86

    Mostly Sunny

    • 51
    • 79

    Mostly Sunny

    • 53
    • 80

    Mostly Sunny

    • 51
    • 83

    Mostly Sunny

    • 51
    • 80

    Partly Sunny

    • 51
    • 75

    Patchy Fog

Today 10 Sep North Bay Interior Valleys

Sunny. Highs in the lower 80s to mid 90s. West Winds 10 to 20 Mph.

Tonight 10 Sep North Bay Interior Valleys

Mostly clear. Lows in the mid 50s to lower 60s. Southwest Winds 10 to 15 Mph.

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Mark West Springs Temperature Statistics

September Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (6.2 miles)

  • Lowest 5 September, 2026

    46.7 °F

  • Average September

    65.9 °F

  • Highest 8 September, 2026

    98.1 °F

Climate (2021–2026)

Santa Rosa, Santa Rosa Sonoma County Airport (6.2 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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