The hot and humid weather looks set to continue on Thursday - but most parts of the country will experience some rainfall.
Met Eireann is forecasting blistering heat for parts of the country, with temperatures of up to 25C expected to be recorded.
However, it will be wetter than previous days, with showers hitting the south and west over the afternoon.
Northern and eastern counties will see the best conditions despite the some isolated showers. Highs will range from 20C to 25C.
A Met Eireann forecaster said: "Showery rain in the southwest and west of the country this morning clearing to scattered showers in the afternoon.
"It'll be mainly dry further north and east with a mix of cloud and sunshine with just isolated showers.
"Another humid and breezy day with top temperatures ranging 20 to 25 degrees in fresh southeasterly winds, strong along southern coasts."
Another mostly mild and humid night is expected, with lowest temperatures to be between 13C and 16C.
There will be clear spells, as well as showers, with the south and west to be the wettest areas.
A forecaster added: "Clear spells and showers overnight, these mainly in the south and west of the country with a good deal of dry weather elsewhere.
"Staying humid and breezy with minimum temperatures of 13 to 16 degrees in fresh southerly winds."
