Napa River - Maxwell Bridge Weather Forecast

    • 37
    • 58

    Increasing Clouds

    • 46
    • 58

    Increasing Clouds

    • 40
    • 60

    Areas Fog

    • 43
    • 63

    Partly Sunny

    • 43
    • 63

    Areas Fog

    • 44
    • 63

    Mostly Cloudy

    • 44
    • 64

    Slight Chance Rain

Today 26 Jan North Bay Interior Valleys

Partly cloudy. Highs in the 50s to lower 60s. Southeast Winds 10 to 15 Mph.

Tonight 26 Jan North Bay Interior Valleys

Partly cloudy late in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the 30s to mid 40s. East Winds up to 5 Mph.

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Napa River - Maxwell Bridge Temperature Statistics

January Temperature

Napa, Napa County Airport (5 miles)

  • Lowest 9 January, 2026

    31.6 °F

  • Average January

    50 °F

  • Highest 24 January, 2026

    66.9 °F

Climate (2021–Present)

Napa, Napa County Airport (5 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    70.1 °F
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