Six Flags - Discovery Kingdom Weather Forecast

    • 58
    • 83

    Increasing Clouds

    • 58
    • 83

    Mostly Sunny

    • 58
    • 86

    Mostly Sunny

    • 59
    • 88

    Mostly Sunny

    • 59
    • 86

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

Today 29 Jul Southwestern Solano County Including Vallejo

Sunny. Highs 81 to 91. Southwest Winds 10 to 15 Mph.

Tonight 29 Jul Southwestern Solano County Including Vallejo

Clear. Lows 57 to 62. Southwest Winds 10 to 15 Mph with Gusts to around 25 Mph.

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Six Flags - Discovery Kingdom Temperature Statistics

July Temperature

Napa, Napa County Airport (5 miles)

  • Lowest 11 July, 2026

    48.7 °F

  • Average July

    67 °F

  • Highest 13 July, 2026

    89.7 °F

Climate (2021–2026)

Napa, Napa County Airport (5 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    70.3 °F
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