A new campaign has been launched by The Welsh Language Society Cymdeithas yr Iaith Gymraeg in Caernarfon today.
The society is calling for new measures to safeguard the language after the census recorded a drop in Welsh speakers.
Under the title 'Living Manifesto', the society says there should be changes to planning rules, education, and Welsh language use in the public sector.
More top news
The rain may become increasingly patchy later in the afternoon, perhaps allowing some drier and brighter interludes.
Cloudy skies overnight, accompanied by patchy rain through the first part of the night.
Here are all the details you need to know before heading into Cardiff to watch Justin Bieber on Friday.