Yountville Weather Forecast

    • 52
    • 83

    Mostly Sunny

    • 50
    • 80

    Mostly Sunny

    • 52
    • 79

    Mostly Sunny

    • 52
    • 81

    Mostly Sunny

    • 50
    • 79

    Partly Sunny

    • 51
    • 79

    Partly Sunny

    • 51
    • 80

    Partly Sunny

Today 21 Mar North Bay Interior Valleys

Sunny. Highs in the lower 70s to mid 80s. West Winds 10 to 20 Mph.

Tonight 21 Mar North Bay Interior Valleys

Mostly clear. Lows in the mid 40s to upper 50s. West Winds 5 to 15 Mph. Gusts up to 30 Mph in the evening.

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Yountville Temperature Statistics

March Temperature

Napa, Napa County Airport (13.7 miles)

  • Lowest 5 March, 2026

    37.7 °F

  • Average March

    59.9 °F

  • Highest 18 March, 2026

    86.6 °F

Climate (2021–Present)

Napa, Napa County Airport (13.7 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    70.2 °F
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