Napa County Airport Weather Forecast

    • 48
    • 66

    Chance Rain Showers

    • 49
    • 68

    Chance Rain Showers

    • 44
    • 66

    Chance Rain Showers

    • 42
    • 71

    Mostly Sunny

    • 43
    • 70

    Partly Sunny

    • 43
    • 70

    Partly Sunny

Today 20 Oct North Bay Interior Valleys

Mostly cloudy. Patchy fog in the morning. Highs in the 60s to lower 70s. Northeast Winds up to 5 Mph. Becoming southeast in the afternoon.

Tonight 20 Oct North Bay Interior Valleys

Mostly cloudy. Patchy fog after midnight. A chance of Showers after midnight. Lows in the lower 40s to mid 50s. West Winds up to 5 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Napa County Airport Temperature Statistics

October Temperature

Napa, Napa County Airport (0 miles)

  • Lowest 13 October, 2026

    38.6 °F

  • Average October

    66.1 °F

  • Highest 3 October, 2026

    96.7 °F

Climate (2021–2026)

Napa, Napa County Airport (0 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    70.3 °F
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