One of the big draws on the Maes is the Open Art Exhibition.
Fifty-six artists have been chosen this year to show their work - and nearly half of them are taking part in the Eisteddfod for the first time.
Carole Green caught up with one of the newcomers.
More top news
It will be mainly dry with sunny spells, the best of which will be in the south and east.
Almost 1,500 drivers made claims against councils across Wales for damage caused to their vehicles by potholes in the last financial year.
There will be a rare chance to see an asteroid pass so close to the Earth you will be able to see it with binoculars on Monday night.