American Canyon Weather Forecast

    • 41
    • 59

    Increasing Clouds

    • 37
    • 56

    Partly Sunny

    • 36
    • 58

    Mostly Sunny

    • 37
    • 51

    Chance Rain

    • 34
    • 52

    Slight Chance Rain

    • 38
    • 52

    Mostly Cloudy

Today 21 Jan North Bay Interior Valleys

Partly cloudy in the morning then becoming mostly cloudy. Highs in the 50s to mid 60s. Southwest Winds up to 5 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 21 Jan North Bay Interior Valleys

Mostly cloudy. A slight chance of Showers after midnight. Lows in the mid 30s to upper 40s. West Winds 5 to 10 Mph. Chance of Showers 20 percent.

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American Canyon Temperature Statistics

January Temperature

Napa, Napa County Airport (2.5 miles)

  • Lowest 5 January, 2021

    34 °F
  • Average January

    48.9 °F
  • Highest 18 January, 2021

    80.1 °F

Climate (2010–Present)

Napa, Napa County Airport (2.5 miles)

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  • Average Low 2010–Present

    46.8 °F
  • Average 2010–Present

    57.1 °F
  • Average High 2010–Present

    70.2 °F
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