The Welsh Education Minister Leighton Andrews has been defending his decision to order a regrade of English language GCSEs last year.
He is being questioned by MPs on the Commons Education committee.
He told the committee that the regrade was "action taken to deal with an unfairness."
He criticised the UK education secretary Michael Gove for refusing to meet him and his Northern Ireland counterpart.
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There is likely to be a good deal of cloud around today, thickest in the southeast, where outbreaks of rain are possible at times.
A dry night with clear spells for most, especially towards the north where it will become rather chilly with some mist patches possible.
Wales head coach Warren Gatland says some players suffered a few bumps and bruises during their clash against Ireland.