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

    • 55
    • 93

    Mostly Sunny

    • 52
    • 82

    Mostly Sunny

    • 53
    • 83

    Mostly Sunny

    • 52
    • 75

    Partly Sunny

    • 50
    • 75

    Mostly Sunny

    • 54
    • 81

    Sunny

Today 5 Jun North Bay Interior Valleys

Sunny. Highs in the upper 70s to lower 90s. West Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 5 Jun North Bay Interior Valleys

Mostly clear. Lows in the 50s. West Winds 10 to 20 Mph with Gusts to around 35 Mph.

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

June Temperature

Napa, Napa County Airport (19.9 miles)

  • Lowest 1 June, 2026

    50.6 °F

  • Average June

    63.4 °F

  • Highest 1 June, 2026

    83.6 °F

Climate (2021–Present)

Napa, Napa County Airport (19.9 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    70.2 °F
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