Rockville Weather Forecast
- 43
- 58
Chance Rain Showers
- 43
- 63
Sunny
- 43
- 62
Mostly Sunny
- 44
- 60
Mostly Sunny
- 44
- 61
Partly Sunny
- 43
- 62
Partly Sunny
- 45
- 62
Partly Sunny
Today 20 Nov Carquinez Strait and Delta
Mostly cloudy. Rain Showers likely in the Morning, then a chance of rain Showers early in the afternoon. A slight chance of rain Showers late in the afternoon. Highs around 57. East Winds up to 10 Mph shifting to the northwest in the afternoon.
Tonight 20 Nov Carquinez Strait and Delta
Mostly cloudy in the evening then clearing. Lows around 43. Light Winds. Gusts up to 20 Mph after midnight.
Rockville Temperature Statistics
November Temperature
Napa, Napa County Airport (8.7 miles)
Lowest 18 November, 2025
43 °FAverage November
58.3 °FHighest 10 November, 2025
79 °F
Climate (2020–Present)
Napa, Napa County Airport (8.7 miles)
Average Low 2020–2025
47 °FAverage 2020–2025
58.1 °FAverage High 2020–2025
70.3 °F