Six Flags - Discovery Kingdom Weather Forecast

    • 51
    • 76

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 54
    • 82

    Mostly Sunny

    • 55
    • 84

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

    • 56
    • 82

    Partly Sunny

    • 55
    • 80

    Partly Sunny

Today 28 Sep Carquinez Strait and Delta

Mostly sunny. Breezy. Highs 76 to 82. Northwest Winds 10 to 15 Mph increasing to 15 to 25 Mph in the afternoon.

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Six Flags - Discovery Kingdom Temperature Statistics

September Temperature

Napa, Napa County Airport (5 miles)

  • Lowest 4 September, 2021

    46.9 °F
  • Average September

    63.4 °F
  • Highest 21 September, 2021

    96.1 °F

Climate (2010–Present)

Napa, Napa County Airport (5 miles)

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  • Average Low 2010–Present

    47 °F
  • Average 2010–Present

    57.3 °F
  • Average High 2010–Present

    70.6 °F
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