Trancas Crossing Park Weather Forecast

    • 53
    • 79

    Increasing Clouds

    • 55
    • 81

    Mostly Cloudy

    • 54
    • 79

    Partly Sunny

    • 53
    • 77

    Mostly Sunny

    • 55
    • 80

    Mostly Sunny

    • 54
    • 82

    Mostly Sunny

    • 54
    • 78

    Mostly Sunny

Today 24 Jun North Bay Interior Valleys

Partly cloudy late in the morning then becoming sunny. Highs in the upper 60s to lower 80s. Southwest Winds 5 to 15 Mph.

Tonight 24 Jun North Bay Interior Valleys

Mostly clear in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower to mid 50s. Southwest Winds 10 to 15 Mph.

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Trancas Crossing Park Temperature Statistics

June Temperature

Napa, Napa County Airport (8.1 miles)

  • Lowest 7 June, 2026

    45.6 °F

  • Average June

    66.2 °F

  • Highest 11 June, 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

    58.4 °F

  • Average High 2021–2026

    70.2 °F
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