Trancas Crossing Park Weather Forecast

    • 58
    • 89

    Sunny

    • 59
    • 91

    Mostly Sunny

    • 58
    • 91

    Mostly Sunny

    • 53
    • 84

    Mostly Sunny

    • 51
    • 79

    Partly Sunny

    • 50
    • 76

    Mostly Cloudy

Today 18 Mar North Bay Interior Valleys

Sunny. Highs in the upper 70s to mid 90s. North Winds up to 5 Mph. Becoming southwest in the afternoon.

Tonight 18 Mar North Bay Interior Valleys

Clear. Lows in the lower 50s to mid 60s. Northwest Winds up to 5 Mph.

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  • Temperature Real-Time

Trancas Crossing Park Temperature Statistics

March Temperature

Napa, Napa County Airport (8.1 miles)

  • Lowest 5 March, 2026

    37.7 °F

  • Average March

    57.5 °F

  • Highest 15 March, 2026

    78.1 °F

Climate (2021–Present)

Napa, Napa County Airport (8.1 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    70.1 °F
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