Fountaingrove Lake Weather Forecast

    • 48
    • 54

    Rain Showers

    • 46
    • 50

    Rain Showers

    • 41
    • 50

    Rain Showers

    • 36
    • 51

    Partly Sunny

    • 36
    • 53

    Mostly Sunny

    • 38
    • 55

    Mostly Sunny

Today 24 Dec North Bay Interior Valleys

Mostly cloudy. Breezy. Patchy fog in the morning. A chance of Showers and a slight chance of Thunderstorms. Some Thunderstorms may be severe with heavy rainfall. Highs in the 50s. South Winds 20 to 30 Mph. Becoming southeast 10 to 20 Mph in the afternoon.

Tonight 24 Dec North Bay Interior Valleys

Breezy. Showers and a slight chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Lows in the mid 40s to lower 50s. Southeast Winds 20 to 30 Mph. Gusts up to 45 Mph increasing to 60 Mph after midnight.

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Fountaingrove Lake Temperature Statistics

December Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (5 miles)

  • Lowest 4 December, 2025

    34 °F

  • Average December

    47.3 °F

  • Highest 3 December, 2025

    68 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (5 miles)

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    58 °F

  • Average High 2020–2025

    72.5 °F
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