Trancas Crossing Park Weather Forecast

    • 46
    • 67

    Decreasing Clouds

    • 44
    • 67

    Partly Sunny

    • 40
    • 63

    Mostly Cloudy

    • 42
    • 67

    Mostly Sunny

    • 45
    • 67

    Mostly Cloudy

    • 45
    • 68

    Partly Sunny

Today 29 Oct North Bay Interior Valleys

Mostly cloudy. Highs in the 60s to lower 70s. Northeast Winds up to 5 Mph. Becoming south in the afternoon.

Tonight 29 Oct North Bay Interior Valleys

Mostly cloudy in the evening then becoming partly cloudy. Areas of fog after midnight. Lows in the upper 30s to mid 50s. West Winds up to 5 Mph.

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Trancas Crossing Park Temperature Statistics

October Temperature

Napa, Napa County Airport (8.1 miles)

  • Lowest 13 October, 2026

    38.6 °F

  • Average October

    63.3 °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

    47.3 °F

  • Average 2021–2026

    58.6 °F

  • Average High 2021–2026

    70.4 °F
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