Rockville Hills Regional Park Weather Forecast

    • 55
    • 81

    Sunny

    • 55
    • 81

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 55
    • 81

    Mostly Sunny

    • 54
    • 79

    Mostly Sunny

    • 54
    • 80

    Sunny

    • 53
    • 83

    Sunny

Today 6 Jun Carquinez Strait and Delta

Sunny. Near the Bay, mostly cloudy in the morning then clearing. Highs 81 to 87. West Winds 10 to 15 Mph with Gusts to around 30 Mph.

Tonight 6 Jun Carquinez Strait and Delta

Clear. Lows 53 to 59. West Winds 10 to 15 Mph with Gusts to around 25 Mph.

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Rockville Hills Regional Park Temperature Statistics

June Temperature

Napa, Napa County Airport (7.5 miles)

  • Lowest 4 June, 2025

    50 °F

  • Average June

    61.4 °F

  • Highest 2 June, 2025

    76.6 °F

Climate (2020–Present)

Napa, Napa County Airport (7.5 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    70.6 °F
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