Glenbrook Weather Forecast

    • 46
    • 63

    Increasing Clouds

    • 43
    • 60

    Mostly Cloudy

    • 40
    • 59

    Partly Sunny

    • 40
    • 55

    Partly Sunny

    • 45
    • 59

    Mostly Sunny

    • 49
    • 62

    Mostly Cloudy

Today 28 Oct Southwestern Lake

Sunny. Highs 61 to 71. North wind around 5 Mph.

Tonight 28 Oct Southwestern Lake

Partly cloudy in the evening then becoming mostly cloudy. Lows 41 to 51. West wind around 5 Mph shifting to the north overnight.

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Glenbrook Temperature Statistics

October Temperature

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

  • Lowest 14 October, 2026

    37.7 °F

  • Average October

    64.2 °F

  • Highest 3 October, 2026

    102.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    58.8 °F

  • Average High 2021–2026

    73 °F
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