American Canyon Weather Forecast

    • 42
    • 53

    Increasing Clouds

    • 48
    • 52

    Rain

    • 52
    • 57

    Rain

    • 49
    • 58

    Rain Likely

    • 44
    • 56

    Rain

    • 41
    • 55

    Rain

Today 30 Jan North Bay Interior Valleys

Mostly cloudy in the morning then becoming partly cloudy. Areas of fog in the morning. Highs in the 40s to upper 50s. West Winds up to 5 Mph. Becoming southwest around 5 Mph in the afternoon.

Tonight 30 Jan North Bay Interior Valleys

Mostly cloudy. Patchy fog. A chance of rain. Lows in the 30s to upper 40s. South Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

American Canyon Temperature Statistics

January Temperature

Napa, Napa County Airport (2.5 miles)

  • Lowest 22 January, 2025

    28.9 °F

  • Average January

    48.9 °F

  • Highest 7 January, 2025

    70.6 °F

Climate (2020–Present)

Napa, Napa County Airport (2.5 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    70.7 °F
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