Napa Weather Forecast

    • 53
    • 77

    Increasing Clouds

    • 54
    • 74

    Partly Sunny

    • 52
    • 71

    Partly Sunny

    • 51
    • 77

    Mostly Sunny

    • 52
    • 80

    Mostly Sunny

    • 52
    • 80

    Mostly Sunny

Today 17 Jun North Bay Interior Valleys

Partly cloudy late in the morning then becoming sunny. Highs in the upper 60s to lower 80s. Southwest Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 17 Jun North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the 50s. Southwest Winds 10 to 20 Mph.

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Napa Temperature Statistics

June Temperature

Napa, Napa County Airport (6.2 miles)

  • Lowest 7 June, 2026

    45.6 °F

  • Average June

    66.7 °F

  • Highest 11 June, 2026

    96.7 °F

Climate (2021–2026)

Napa, Napa County Airport (6.2 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    70.2 °F
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