Rockville Weather Forecast

    • 41
    • 58

    Increasing Clouds

    • 41
    • 59

    Partly Sunny

    • 42
    • 60

    Partly Sunny

    • 42
    • 61

    Partly Sunny

    • 42
    • 60

    Mostly Sunny

    • 44
    • 61

    Partly Sunny

    • 44
    • 61

    Mostly Sunny

Today 27 Nov Carquinez Strait and Delta

Patchy dense fog until late afternoon. Mostly cloudy. Highs 54 to 60. Light Winds.

Tonight 27 Nov Carquinez Strait and Delta

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog in the late evening and overnight. Lows 39 to 44. Light Winds.

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Rockville Temperature Statistics

November Temperature

Napa, Napa County Airport (8.7 miles)

  • Lowest 22 November, 2025

    39 °F

  • Average November

    56 °F

  • Highest 10 November, 2025

    79 °F

Climate (2020–Present)

Napa, Napa County Airport (8.7 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    70.2 °F
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