Wales, and in the more central and southern parts, it'll be a fine dry day.

Good deal of sunshine to begin with, clouding over somewhat later on.
But for Scotland, Northern Ireland, and Wales, and in the more central and southern parts, it'll be a fine dry day.
Good deal of sunshine to begin with, clouding over somewhat later on.

(I'm not sure about the following line, but thanks for all the suggestions!)
...back in south westerly fork showers: good
...back to 7 and backing south-westerly 4, showers: good