Fountaingrove Lake Weather Forecast

    • 56
    • 89

    Increasing Clouds

    • 53
    • 86

    Mostly Sunny

    • 51
    • 85

    Mostly Sunny

    • 49
    • 79

    Partly Sunny

    • 49
    • 76

    Partly Sunny

    • 49
    • 76

    Mostly Sunny

Today 19 May North Bay Interior Valleys

Sunny. Highs in the upper 70s to lower 90s. North Winds 5 to 15 Mph.

Tonight 19 May North Bay Interior Valleys

Mostly clear. Lows in the upper 40s to mid 60s. West Winds 10 to 15 Mph decreasing to up to 5 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fountaingrove Lake Temperature Statistics

May Temperature

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

  • Lowest 13 May, 2026

    44.7 °F

  • Average May

    62.2 °F

  • Highest 15 May, 2026

    82.7 °F

Climate (2021–Present)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    72.7 °F
Get WillyWeather+ to remove ads