Napa River - Maxwell Bridge Weather Forecast

    • 51
    • 81

    Decreasing Clouds

    • 50
    • 79

    Partly Sunny

    • 49
    • 72

    Partly Sunny

    • 49
    • 74

    Mostly Sunny

    • 50
    • 79

    Mostly Sunny

    • 51
    • 83

    Mostly Sunny

Today 11 May North Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs in the 70s to 80s. South Winds 5 to 10 Mph.

Tonight 11 May North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the upper 40s to mid 60s. Southwest Winds 5 to 10 Mph.

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Napa River - Maxwell Bridge Temperature Statistics

May Temperature

Napa, Napa County Airport (5 miles)

  • Lowest 4 May, 2026

    46.7 °F

  • Average May

    59.5 °F

  • Highest 6 May, 2026

    74.6 °F

Climate (2021–Present)

Napa, Napa County Airport (5 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    70.2 °F
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