Lytton Lake Weather Forecast

    • 57
    • 95

    Increasing Clouds

    • 56
    • 87

    Mostly Cloudy

    • 55
    • 80

    Slight Chance Rain Showers

    • 55
    • 84

    Mostly Sunny

    • 59
    • 89

    Mostly Sunny

    • 57
    • 92

    Partly Sunny

Today 17 Sep North Bay Interior Valleys

Sunny. Highs in the lower 80s to mid 90s. Southwest Winds 5 to 15 Mph.

Tonight 17 Sep North Bay Interior Valleys

Partly cloudy. Lows in the 50s to mid 60s. West Winds 5 to 15 Mph.

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Lytton Lake Temperature Statistics

September Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (10.6 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 (10.6 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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