Trancas Crossing Park Weather Forecast
- 52
- 83
Becoming Sunny
- 49
- 76
Mostly Sunny
- 52
- 80
Mostly Sunny
- 51
- 80
Mostly Sunny
- 52
- 78
Partly Sunny
- 53
- 79
Mostly Sunny
- 56
- 86
Mostly Sunny
Today 3 Jul North Bay Interior Valleys
Partly cloudy. Breezy. Highs in the 70s to 80s. West Winds 20 to 30 Mph.
Tonight 3 Jul North Bay Interior Valleys
Mostly clear. Breezy. Lows in the upper 40s to mid 50s. West Winds 20 to 30 Mph.
Trancas Crossing Park Temperature Statistics
July Temperature
Napa, Napa County Airport (8.1 miles)
Lowest 1 July, 2025
54 °FAverage July
61.5 °FHighest 1 July, 2025
72 °F
Climate (2020–Present)
Napa, Napa County Airport (8.1 miles)
Average Low 2020–2025
46.9 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
70.6 °F