Napa County Regional Park District - Lake Hennessey City Recreation Area Weather Forecast
- 50
- 88
Becoming Sunny
- 47
- 81
Mostly Sunny
- 49
- 85
Mostly Sunny
- 50
- 87
Mostly Sunny
- 50
- 85
Mostly Sunny
- 52
- 84
Mostly Sunny
- 56
- 91
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.
Napa County Regional Park District - Lake Hennessey City Recreation Area Temperature Statistics
July Temperature
Napa, Napa County Airport (19.9 miles)
Lowest 1 July, 2025
54 °FAverage July
61.5 °FHighest 1 July, 2025
72 °F
Climate (2020–Present)
Napa, Napa County Airport (19.9 miles)
Average Low 2020–2025
46.9 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
70.6 °F