Rockville Weather Forecast

    • 50
    • 65

    Sunny

    • 54
    • 69

    Sunny

    • 51
    • 77

    Sunny

    • 50
    • 79

    Sunny

    • 49
    • 74

    Mostly Sunny

    • 47
    • 71

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

Today 5 Mar Carquinez Strait and Delta

Sunny, breezy. Highs around 66. Northwest Winds around 10 Mph shifting to the north 15 to 25 Mph in the afternoon. Gusts up to 35 Mph.

Tonight 5 Mar Carquinez Strait and Delta

Clear, breezy. Lows 43 to 50. Northwest Winds 10 to 25 Mph with Gusts to around 35 Mph.

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Rockville Temperature Statistics

March Temperature

Napa, Napa County Airport (8.7 miles)

  • Lowest 3 March, 2026

    46 °F

  • Average March

    55.5 °F

  • Highest 3 March, 2026

    64.9 °F

Climate (2021–Present)

Napa, Napa County Airport (8.7 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    70.1 °F
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