Napa County Regional Park District - Lake Hennessey City Recreation Area Weather Forecast

    • 43
    • 55

    Rain Showers Likely

    • 43
    • 61

    Areas Fog

    • 46
    • 57

    Rain Likely

    • 42
    • 55

    Chance Rain

    • 43
    • 62

    Mostly Sunny

    • 43
    • 64

    Patchy Fog

    • 43
    • 63

    Patchy Fog

Today 17 Nov North Bay Interior Valleys

Mostly cloudy. A chance of Showers and isolated Thunderstorms. Highs in the 50s to lower 60s. Northwest Winds 10 to 20 Mph.

Tonight 17 Nov North Bay Interior Valleys

Mostly cloudy in the evening then becoming partly cloudy. A chance of Showers in the evening. Patchy fog after midnight. Lows in the 40s. Northeast Winds 10 to 20 Mph.

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Napa County Regional Park District - Lake Hennessey City Recreation Area Temperature Statistics

November Temperature

Napa, Napa County Airport (19.9 miles)

  • Lowest 1 November, 2025

    44.1 °F

  • Average November

    59.1 °F

  • Highest 10 November, 2025

    79 °F

Climate (2020–Present)

Napa, Napa County Airport (19.9 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    70.3 °F
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