The middle part of the month should be unsettled with showers and longer spells of rain, but temperatures will remain around average. However, towards the final third of the month high pressure should dominate once again, with warm or hot sunshine depending on where the high pressure is situated exactly.
The warm weather will quickly break down early on in the month as the Atlantic wakes up. Low pressure will dominate for most of the month, only broken by occasional ridges of high pressure. Overall August will be a disappointing end to the summer after a great June and decent July.