Napa River - Officer George Butler Bridge Weather Forecast

    • 53
    • 73

    Increasing Clouds

    • 52
    • 76

    Partly Sunny

    • 54
    • 76

    Partly Sunny

    • 57
    • 84

    Partly Sunny

    • 57
    • 88

    Partly Sunny

    • 57
    • 85

    Partly Sunny

    • 56
    • 81

    Partly Sunny

Today 17 Aug North Bay Interior Valleys

Partly cloudy late in the morning then becoming sunny. Highs in the mid 60s to lower 80s. West Winds 10 to 20 Mph.

Tonight 17 Aug North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 40s to mid 50s. West Winds 10 to 20 Mph.

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Napa River - Officer George Butler Bridge Temperature Statistics

August Temperature

Napa, Napa County Airport (2.5 miles)

  • Lowest 3 August, 2025

    50.6 °F

  • Average August

    66.6 °F

  • Highest 6 August, 2025

    88.6 °F

Climate (2020–Present)

Napa, Napa County Airport (2.5 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    70.5 °F
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