Trancas Crossing Park Weather Forecast

    • 56
    • 87

    Mostly Sunny

    • 53
    • 88

    Mostly Sunny

    • 50
    • 87

    Mostly Sunny

    • 46
    • 75

    Patchy Fog

    • 47
    • 67

    Mostly Cloudy

    • 47
    • 69

    Partly Sunny

Today 15 Oct North Bay Interior Valleys

Sunny. Highs in the upper 70s to lower 90s. East Winds 5 to 10 Mph.

Tonight 15 Oct North Bay Interior Valleys

Clear. Lows in the lower 50s to mid 60s. North Winds 5 to 10 Mph.

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  • Temperature Real-Time

Trancas Crossing Park Temperature Statistics

October Temperature

Napa, Napa County Airport (8.1 miles)

  • Lowest 13 October, 2026

    39.9 °F

  • Average October

    66.4 °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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