Monday was confirmed as the hottest day of the year so far.
Temperatures hit 26.6 degrees in Dublin's Phoenix Park. However, the very warm spell is not set to last.
Drizzle is set to move across the country on Tuesday with temperatures also falling back.
The rest of the week is set to be changeable, with Met Éireann forecasting mixed weather.
According to the national forecaster, Tuesday will be a generally cloudy day with patchy drizzle slowly moving eastwards. This will clear later, bringing in sunny spells with highs of 16 to 21 degrees.
Wednesday is expected to start dry before showery outbreaks of rain, with highs of 19 to 23 degrees.
Thursday will see showery outbreaks of rain push in from the west, though the midlands and southeast will see a lot of dry weather.
Met Éireann said it will be a cooler, fresher day with highest temperatures of 13 to 17 degrees.
Currently, it looks like Friday will see scattered outbreaks of rain and drizzle moving in from the west, with highest temperatures of 14 to 18 degrees.
