Napa County Airport Weather Forecast

    • 40
    • 61

    Increasing Clouds

    • 44
    • 56

    Chance Rain

    • 42
    • 62

    Patchy Fog

    • 42
    • 58

    Chance Rain

    • 34
    • 56

    Slight Chance Rain

    • 33
    • 55

    Mostly Sunny

    • 35
    • 54

    Partly Sunny

Today 5 Dec North Bay Interior Valleys

Sunny. Areas of dense fog late in the morning. Highs in the mid 50s to lower 70s. Northwest Winds 5 to 10 Mph.

Tonight 5 Dec North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the upper 30s to lower 50s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Napa County Airport Temperature Statistics

December Temperature

Napa, Napa County Airport (0 miles)

  • Lowest 2 December, 2021

    39 °F
  • Average December

    51.8 °F
  • Highest 1 December, 2021

    66.9 °F

Climate (2010–Present)

Napa, Napa County Airport (0 miles)

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  • Average Low 2010–Present

    47 °F
  • Average 2010–Present

    57.3 °F
  • Average High 2010–Present

    70.5 °F
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