Within the past month, 11 users have taken a look at flights from Cardiff-Wales Arpt to Cincinnati Cinci./N. Kentucky.
When travelling, it's generally smart to pack in preparation for rain or any other conditions that may arise. The rainfall in Cardiff is roughly less than Cincinnati. You can assume this to be the case over the next 12 days.
Temperatures around the 30 °Cs can be experienced in July. The weather in Cincinnati is hotter than in Cardiff. Plan for potential changes in flight availability as peak weather approaches in this location.