The Prince of Wales will visit Tata Steel's steelworks, meet employees and members of the community, before visiting the Blast Furnace Control Room and unveiling a plaque to commemorate the completion of the new Blast Furnace Number Four.
The Prince said Wales should be unbelievable proud of what has been achieved here.
More top news
There'll be a few showers in the south overnight, but these will clear by the morning to leave a decent start to the weekend!
Thousands are expected to attend the arts and music festival, which is now in its fourth year.
Organisations in Wales say they're ready to support Syrian refugees after the Prime Minister vowed to accept thousands more into the UK.