Prince William will be a guest at the Anglesey Show where he watch gundog and falconry displays before meeting local young farmers.
Afterwards, he will view some cattle judging before moving to the central show area.
The Duke is also expected to make a short speech before being presented with a gift.
More top news
A woman who plotted to let a paedophile rape her seven-year-old daughter has been jailed for nine years.
An emergency services team performed open-heart surgery on a woman in her forties at the scene of a car crash on Monday.
High pressure gives us a settled and very cold start to the new week.