Yountville Weather Forecast

    • 51
    • 81

    Partly Sunny

    • 50
    • 74

    Mostly Sunny

    • 55
    • 78

    Sunny

    • 57
    • 87

    Sunny

    • 54
    • 87

    Sunny

    • 55
    • 88

    Sunny

Today 16 May North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Highs in the upper 60s to lower 80s. West Winds 10 to 20 Mph.

Tonight 16 May North Bay Interior Valleys

Mostly clear in the evening then becoming mostly cloudy. Lows in the upper 40s to mid 50s. West Winds 10 to 20 Mph with Gusts to around 35 Mph.

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Yountville Temperature Statistics

May Temperature

Napa, Napa County Airport (13.7 miles)

  • Lowest 4 May, 2025

    42.7 °F

  • Average May

    60.4 °F

  • Highest 9 May, 2025

    87.7 °F

Climate (2020–Present)

Napa, Napa County Airport (13.7 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    58.2 °F

  • Average High 2020–2025

    70.7 °F
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