Napa Weather Forecast

    • 47
    • 62

    Becoming Sunny

    • 53
    • 74

    Becoming Sunny

    • 53
    • 76

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 49
    • 68

    Partly Sunny

    • 50
    • 68

    Partly Sunny

    • 52
    • 70

    Partly Sunny

Today 21 May North Bay Interior Valleys

Mostly cloudy. Breezy. A chance of Showers in the Morning, then a slight chance of Showers in the afternoon. Highs in the 50s to mid 60s. West Winds 20 to 30 Mph.

Tonight 21 May North Bay Interior Valleys

Mostly cloudy in the evening then becoming mostly clear. Breezy. Lows in the 40s to lower 50s. West Winds 20 to 30 Mph. Becoming northwest 10 to 20 Mph after midnight.

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Napa Temperature Statistics

May Temperature

Napa, Napa County Airport (6.2 miles)

  • Lowest 1 May, 2019

    42.1 °F
  • Average May

    56.6 °F
  • Highest 2 May, 2019

    73.9 °F

Climate (2010–Present)

Napa, Napa County Airport (6.2 miles)

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  • Average Low 2010–Present

    46.9 °F
  • Average 2010–Present

    56.9 °F
  • Average High 2010–Present

    69.1 °F
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