Napa River - Napa Valley Marina Weather Forecast

    • 47
    • 71

    Mostly Sunny

    • 51
    • 69

    Partly Sunny

    • 47
    • 66

    Partly Sunny

    • 50
    • 71

    Mostly Sunny

    • 50
    • 75

    Mostly Sunny

    • 49
    • 72

    Mostly Sunny

Today 1 May North Bay Interior Valleys

Sunny. Patchy fog in the morning. Highs in the 60s to 70s. Southwest Winds 5 to 10 Mph.

Tonight 1 May North Bay Interior Valleys

Mostly clear except patchy fog after midnight. Lows in the mid 40s to lower 50s. West Winds 5 to 15 Mph.

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Napa River - Napa Valley Marina Temperature Statistics

May Temperature

Napa, Napa County Airport (1.9 miles)

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Climate (2020–Present)

Napa, Napa County Airport (1.9 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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