Glenbrook Weather Forecast

    • 49
    • 71

    Mostly Sunny

    • 52
    • 71

    Partly Sunny

    • 52
    • 69

    Chance Rain

    • 51
    • 64

    Chance Rain

    • 50
    • 60

    Chance Rain

    • 47
    • 61

    Partly Sunny

Today 6 Apr Southern Lake County

Sunny. Highs 71 to 82.

Tonight 6 Apr Southern Lake County

Mostly clear. Lows 41 to 51.

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  • Temperature Forecast NOAA

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Glenbrook Temperature Statistics

April Temperature

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

  • Lowest 2 April, 2026

    36.6 °F

  • Average April

    56.8 °F

  • Highest 4 April, 2026

    81 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    72.8 °F
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