Trancas Crossing Park Weather Forecast

    • 45
    • 68

    Patchy Fog

    • 43
    • 66

    Mostly Sunny

    • 48
    • 66

    Sunny

    • 52
    • 69

    Mostly Sunny

    • 51
    • 75

    Mostly Sunny

    • 50
    • 79

    Mostly Sunny

    • 48
    • 75

    Partly Sunny

Today 3 Mar North Bay Interior Valleys

Sunny. Highs in the 60s to lower 70s. Southwest Winds up to 5 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 3 Mar North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Lows in the 40s to lower 50s. West Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Trancas Crossing Park Temperature Statistics

March Temperature

Napa, Napa County Airport (8.1 miles)

  • Lowest 1 March, 2026

    54 °F

  • Average March

    57.4 °F

  • Highest 1 March, 2026

    63 °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

    58.1 °F

  • Average High 2021–2026

    70.1 °F
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