Napa River - Maxwell Bridge Weather Forecast

    • 40
    • 67

    Mostly Sunny

    • 43
    • 65

    Increasing Clouds

    • 41
    • 65

    Mostly Sunny

    • 40
    • 64

    Mostly Sunny

    • 41
    • 63

    Patchy Fog

    • 43
    • 61

    Areas Fog

    • 42
    • 59

    Areas Fog

Today 16 Jan North Bay Interior Valleys

Sunny, breezy. Highs in the 60s to lower 70s. East Winds 20 to 30 Mph. Becoming southeast 10 to 20 Mph in the afternoon.

Tonight 16 Jan North Bay Interior Valleys

Mostly clear. Areas of fog. Lows in the upper 30s to mid 50s. Northeast Winds 5 to 10 Mph.

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Napa River - Maxwell Bridge Temperature Statistics

January Temperature

Napa, Napa County Airport (5 miles)

  • Lowest 9 January, 2026

    32 °F

  • Average January

    49.8 °F

  • Highest 2 January, 2026

    61 °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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