Lake Hennessey Weather Forecast

    • 50
    • 79

    Mostly Cloudy

    • 48
    • 77

    Mostly Sunny

    • 48
    • 78

    Sunny

    • 52
    • 80

    Mostly Sunny

    • 49
    • 81

    Mostly Sunny

    • 47
    • 68

    Partly Sunny

    • 46
    • 65

    Mostly Cloudy

Today 18 Apr North Bay Interior Valleys

Sunny late in the morning then becoming partly cloudy. Highs in the upper 60s to lower 80s. South Winds 5 to 10 Mph.

Tonight 18 Apr North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 40s to mid 50s. Southwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Hennessey Temperature Statistics

April Temperature

Napa, Napa County Airport (19.9 miles)

  • Lowest 6 April, 2024

    33.7 °F

  • Average April

    54.2 °F

  • Highest 10 April, 2024

    78.7 °F

Climate (2019–Present)

Napa, Napa County Airport (19.9 miles)

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  • Average Low 2019–2024

    47 °F

  • Average 2019–2024

    57.7 °F

  • Average High 2019–2024

    70.3 °F
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