Rockville Hills Regional Park Weather Forecast

    • 56
    • 83

    Sunny

    • 54
    • 82

    Sunny

    • 57
    • 83

    Sunny

    • 60
    • 89

    Sunny

    • 58
    • 84

    Mostly Sunny

    • 58
    • 84

    Mostly Sunny

    • 57
    • 84

    Mostly Sunny

Today 3 Aug Carquinez Strait and Delta

Sunny. Highs 81 to 87. Southwest Winds 10 to 15 Mph with Gusts to around 25 Mph.

Tonight 3 Aug Carquinez Strait and Delta

Clear. Lows around 57. Southwest Winds 10 to 15 Mph with Gusts to around 30 Mph.

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  • Temperature Real-Time

Rockville Hills Regional Park Temperature Statistics

August Temperature

Napa, Napa County Airport (7.5 miles)

  • Lowest 1 August, 2025

    57.9 °F

  • Average August

    62.5 °F

  • Highest 1 August, 2025

    71.1 °F

Climate (2020–Present)

Napa, Napa County Airport (7.5 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    70.5 °F
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