Napa River - Napa Weather Forecast

    • 45
    • 69

    Mostly Sunny

    • 47
    • 69

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

    • 51
    • 76

    Mostly Sunny

    • 53
    • 85

    Mostly Sunny

    • 53
    • 87

    Mostly Sunny

Today 11 Oct North Bay Interior Valleys

Sunny. Highs in the lower 60s to mid 70s. Southwest Winds 5 to 15 Mph.

Tonight 11 Oct North Bay Interior Valleys

Mostly clear. Lows in the 40s to lower 50s. Southeast Winds 5 to 10 Mph.

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Napa River - Napa Temperature Statistics

October Temperature

Napa, Napa County Airport (5.6 miles)

  • Lowest 2 October, 2026

    50.6 °F

  • Average October

    69.9 °F

  • Highest 3 October, 2026

    96.7 °F

Climate (2021–2026)

Napa, Napa County Airport (5.6 miles)

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  • Average Low 2021–2026

    47.4 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    70.3 °F
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