Napa Weather Forecast

    • 51
    • 79

    Increasing Clouds

    • 47
    • 80

    Mostly Cloudy

    • 50
    • 81

    Mostly Sunny

    • 51
    • 83

    Partly Sunny

    • 50
    • 73

    Chance Rain

    • 47
    • 63

    Rain Likely

Today 26 Mar North Bay Interior Valleys

Partly cloudy. Highs in the lower 70s to mid 80s. Northwest Winds 10 to 15 Mph.

Tonight 26 Mar North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Lows in the mid 40s to upper 50s. Northwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Napa Temperature Statistics

March Temperature

Napa, Napa County Airport (6.2 miles)

  • Lowest 5 March, 2026

    37.7 °F

  • Average March

    60.4 °F

  • Highest 20 March, 2026

    87.7 °F

Climate (2021–Present)

Napa, Napa County Airport (6.2 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    58.3 °F

  • Average High 2021–2026

    70.2 °F
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