Rockville Weather Forecast
- 51
- 76
Sunny
- 53
- 79
Sunny
- 54
- 80
Mostly Sunny
- 55
- 78
Mostly Sunny
- 55
- 79
Mostly Sunny
- 58
- 87
Mostly Sunny
Today 4 Jul Carquinez Strait and Delta
Sunny. Highs 75 to 81. Southwest Winds 10 to 15 Mph with Gusts to around 30 Mph.
Tonight 4 Jul Carquinez Strait and Delta
Clear. Lows 49 to 55. Southwest Winds 10 to 20 Mph with Gusts to around 30 Mph.
Rockville Temperature Statistics
July Temperature
Napa, Napa County Airport (8.7 miles)
Lowest 1 July, 2025
54 °FAverage July
61.5 °FHighest 1 July, 2025
72 °F
Climate (2020–Present)
Napa, Napa County Airport (8.7 miles)
Average Low 2020–2025
46.9 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
70.6 °F