Trancas Crossing Park Weather Forecast

    • 56
    • 93

    Mostly Sunny

    • 52
    • 83

    Partly Sunny

    • 48
    • 68

    Mostly Sunny

    • 50
    • 67

    Mostly Sunny

    • 49
    • 68

    Partly Sunny

    • 49
    • 70

    Mostly Sunny

Today 8 Oct North Bay Interior Valleys

Sunny. Highs in the lower 80s to mid 90s. Southwest Winds 5 to 10 Mph.

Tonight 8 Oct North Bay Interior Valleys

Mostly clear. Lows in the mid 50s to upper 60s. West Winds 5 to 10 Mph.

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Trancas Crossing Park Temperature Statistics

October Temperature

Napa, Napa County Airport (8.1 miles)

  • Lowest 2 October, 2026

    50.6 °F

  • Average October

    71 °F

  • Highest 3 October, 2026

    96.7 °F

Climate (2021–2026)

Napa, Napa County Airport (8.1 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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