Bayview-Montalvin Weather Forecast

    • 56
    • 69

    Gradual Clearing

    • 58
    • 72

    Partly Sunny

    • 58
    • 72

    Partly Sunny

    • 58
    • 72

    Partly Sunny

    • 58
    • 71

    Mostly Sunny

    • 57
    • 70

    Mostly Sunny

Today 17 Aug East Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Highs in the mid 80s. West Winds 5 to 15 Mph.

Tonight 17 Aug East Bay Interior Valleys

Mostly cloudy. Lows around 60. West Winds 5 to 10 Mph.

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Bayview-Montalvin Temperature Statistics

August Temperature

Napa, Napa County Airport (14.3 miles)

  • Lowest 6 August, 2026

    51.7 °F

  • Average August

    66.3 °F

  • Highest 2 August, 2026

    86.6 °F

Climate (2021–2026)

Napa, Napa County Airport (14.3 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.5 °F

  • Average High 2021–2026

    70.3 °F
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