Gadwall Park Weather Forecast

    • 59
    • 85

    Becoming Sunny

    • 58
    • 86

    Partly Sunny

    • 59
    • 83

    Partly Sunny

    • 59
    • 80

    Partly Sunny

    • 58
    • 79

    Partly Sunny

    • 58
    • 77

    Partly Sunny

Today 20 Aug North Bay Interior Valleys

Sunny, breezy. Highs in the lower 80s to mid 90s. Southwest Winds 5 to 10 Mph increasing to west 20 to 30 Mph in the afternoon.

Tonight 20 Aug North Bay Interior Valleys

Mostly clear. Breezy. Lows in the lower 50s to mid 60s. West Winds 20 to 30 Mph. Becoming southwest 10 to 20 Mph after midnight.

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Gadwall Park Temperature Statistics

August Temperature

Napa, Napa County Airport (1.9 miles)

  • Lowest 18 August, 2025

    50 °F

  • Average August

    66.9 °F

  • Highest 6 August, 2025

    88.6 °F

Climate (2020–Present)

Napa, Napa County Airport (1.9 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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