Lake Lower Weather Forecast

    • 58
    • 71

    Slight Chance Rain Showers

    • 58
    • 68

    Partly Sunny

    • 58
    • 68

    Mostly Sunny

    • 60
    • 72

    Mostly Sunny

    • 60
    • 73

    Mostly Sunny

    • 60
    • 68

    Slight Chance Rain Showers

    • 59
    • 67

    Partly Sunny

Today 18 Sep Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. A slight chance of Showers late in the morning. A slight chance of Thunderstorms. A chance of Showers in the afternoon. Highs in the 60s to mid 70s. South Winds 5 to 10 Mph.

Tonight 18 Sep Coastal North Bay Including Point Reyes National Seashore

Mostly cloudy. Patchy fog. A slight chance of Thunderstorms in the evening. A chance of Showers. Lows in the mid 50s. Southwest Winds around 5 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Lower Temperature Statistics

September Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (27.3 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 (27.3 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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