Lake Sonoma Weather Forecast

    • 49
    • 62

    Increasing Clouds

    • 52
    • 69

    Partly Sunny

    • 53
    • 68

    Partly Sunny

    • 51
    • 72

    Mostly Sunny

    • 51
    • 75

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

Today 26 May Sonoma Coastal Range

Partly cloudy. Highs in the mid 60s. Northwest Winds 5 to 15 Mph.

Tonight 26 May Sonoma Coastal Range

Partly cloudy. Lows in the upper 40s. Northwest Winds 5 to 10 Mph. Gusts up to 25 Mph in the evening.

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  • Temperature Real-Time

Lake Sonoma Temperature Statistics

May Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (21.1 miles)

  • Lowest 13 May, 2026

    44.7 °F

  • Average May

    63 °F

  • Highest 19 May, 2026

    89.7 °F

Climate (2021–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (21.1 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    72.8 °F
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