Napa River - Maxwell Bridge Weather Forecast

    • 58
    • 90

    Increasing Clouds

    • 56
    • 80

    Partly Sunny

    • 55
    • 80

    Partly Sunny

    • 56
    • 78

    Partly Sunny

    • 57
    • 74

    Partly Sunny

    • 56
    • 76

    Partly Sunny

Today 9 Aug North Bay Interior Valleys

Sunny. Highs in the 80s to 90s. South Winds up to 5 Mph increasing to southwest 10 to 15 Mph in the afternoon.

Tonight 9 Aug North Bay Interior Valleys

Clear in the evening then becoming partly cloudy. Lows in the lower 50s to mid 60s. Southwest Winds 5 to 15 Mph.

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Napa River - Maxwell Bridge Temperature Statistics

August Temperature

Napa, Napa County Airport (5 miles)

  • Lowest 6 August, 2026

    52 °F

  • Average August

    68.5 °F

  • Highest 2 August, 2026

    86.6 °F

Climate (2021–2026)

Napa, Napa County Airport (5 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    70.3 °F
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