Glenbrook Weather Forecast

    • 51
    • 77

    Increasing Clouds

    • 45
    • 55

    Rain Likely

    • 44
    • 49

    Rain Likely

    • 36
    • 50

    Chance Rain

    • 41
    • 53

    Rain Likely

    • 41
    • 47

    Rain Likely

    • 41
    • 51

    Chance Rain

Today 25 Mar Southern Lake County

Sunny. Highs 75 to 86.

Tonight 25 Mar Southern Lake County

Partly cloudy. Lows 45 to 55.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Glenbrook Temperature Statistics

March Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (24.2 miles)

  • Lowest 9 March, 2025

    33.1 °F

  • Average March

    51.3 °F

  • Highest 23 March, 2025

    73.9 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (24.2 miles)

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

  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    72.8 °F
Get WillyWeather+ to remove ads