Healdsburg Weather Forecast

    • 53
    • 89

    Mostly Sunny

    • 52
    • 90

    Mostly Sunny

    • 49
    • 84

    Mostly Sunny

    • 48
    • 77

    Partly Sunny

    • 48
    • 78

    Mostly Sunny

    • 50
    • 81

    Mostly Sunny

Today 20 May North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Highs in the upper 70s to lower 90s. South Winds 5 to 10 Mph.

Tonight 20 May North Bay Interior Valleys

Mostly clear. Lows in the upper 40s to lower 60s. Southwest Winds 5 to 10 Mph.

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Healdsburg Temperature Statistics

May Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (8.1 miles)

  • Lowest 13 May, 2026

    44.7 °F

  • Average May

    63 °F

  • Highest 18 May, 2026

    84.9 °F

Climate (2021–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (8.1 miles)

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    72.7 °F
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