Rockville Weather Forecast

    • 49
    • 72

    Mostly Sunny

    • 52
    • 71

    Partly Sunny

    • 49
    • 66

    Partly Sunny

    • 52
    • 71

    Mostly Sunny

    • 51
    • 76

    Mostly Sunny

    • 51
    • 73

    Mostly Sunny

Today 1 May Carquinez Strait and Delta

Sunny. Highs 74 to 80. Except 68 to 74 near the bay. West Winds up to 15 Mph.

Tonight 1 May Carquinez Strait and Delta

Clear. Lows around 50. Southwest Winds 10 to 15 Mph with Gusts to around 25 Mph.

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Rockville Temperature Statistics

May Temperature

Napa, Napa County Airport (8.7 miles)

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Climate (2020–Present)

Napa, Napa County Airport (8.7 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    58.2 °F

  • Average High 2020–2025

    70.7 °F
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