Offaly forecaster Cathal Nolan says it will be slightly cooler today and tomorrow.
The heatwave will officially come to an end today - but fine weather is still expected this weekend.
The high temperature warning for the entire country will finish at 9 o'clock this morning, after being in place since Tuesday.
It brought temperatures of over 30 degrees in several places.
Offaly's Cathal Nolan, from Ireland's Weather Channel, says it will be slightly cooler today and tomorrow: