Napa County Airport Weather Forecast

    • 54
    • 87

    Chance Rain

    • 58
    • 78

    Slight Chance Rain

    • 51
    • 75

    Sunny

    • 54
    • 78

    Mostly Sunny

    • 54
    • 76

    Mostly Sunny

    • 52
    • 76

    Sunny

    • 55
    • 81

    Sunny

Today 15 Sep North Bay Interior Valleys

Partly cloudy late in the morning then becoming sunny. Highs in the lower 70s to mid 80s. West Winds 10 to 20 Mph.

Tonight 15 Sep North Bay Interior Valleys

Mostly cloudy. A slight chance of rain after midnight. Lows in the 50s to lower 60s. West Winds 10 to 20 Mph.

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Napa County Airport Temperature Statistics

September Temperature

Napa, Napa County Airport (0 miles)

  • Lowest 10 September, 2019

    48.9 °F
  • Average September

    66.5 °F
  • Highest 13 September, 2019

    95 °F

Climate (2010–Present)

Napa, Napa County Airport (0 miles)

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  • Average Low 2010–Present

    47.6 °F
  • Average 2010–Present

    57.6 °F
  • Average High 2010–Present

    69.9 °F
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