Trancas Crossing Park Weather Forecast

    • 48
    • 75

    Partly Sunny

    • 48
    • 72

    Partly Sunny

    • 50
    • 75

    Mostly Sunny

    • 53
    • 78

    Mostly Sunny

    • 50
    • 78

    Partly Sunny

    • 50
    • 77

    Mostly Sunny

Today 24 May North Bay Interior Valleys

Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 60s to 70s. Southwest Winds 10 to 20 Mph.

Tonight 24 May North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the mid 40s to lower 50s. West Winds 10 to 20 Mph.

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  • Temperature Real-Time

Trancas Crossing Park Temperature Statistics

May Temperature

Napa, Napa County Airport (8.1 miles)

  • Lowest 19 May, 2026

    44.7 °F

  • Average May

    62.1 °F

  • Highest 19 May, 2026

    89.7 °F

Climate (2021–Present)

Napa, Napa County Airport (8.1 miles)

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  • Average Low 2021–2026

    47.3 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    70.2 °F
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