Santa Rosa Weather Forecast

    • 48
    • 70

    Increasing Clouds

    • 48
    • 71

    Mostly Cloudy

    • 46
    • 73

    Partly Sunny

    • 48
    • 76

    Mostly Sunny

    • 50
    • 80

    Partly Sunny

    • 49
    • 79

    Partly Sunny

Today 26 Sep North Bay Interior Valleys

Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the mid 60s to upper 70s. Southwest Winds 10 to 20 Mph.

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Santa Rosa Temperature Statistics

September Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (6.8 miles)

  • Lowest 6 September, 2021

    46 °F
  • Average September

    62.3 °F
  • Highest 6 September, 2021

    97 °F

Climate (2010–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (6.8 miles)

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  • Average Low 2010–Present

    45.5 °F
  • Average 2010–Present

    56.5 °F
  • Average High 2010–Present

    72.8 °F
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