Met Éireann is warning of much colder spells for the rest of the week.
It has issued an advisory warning for the entire country, warning of 'sharp to severe' frosts in parts as well as wintery showers.
Cathal Nolan from Ireland Weather Channel outlined what we can expect over the next couple of days.
"We will really notice temperatures have dropped considerably by around Wednesday afternoon, into Thursday and Friday," he said.
"On these particular days, the highest afternoon temperatures are only likely to range between 3 to 7 degrees celcius at best."
He added: "It will be warmest along the south coast where it will be most sheltered, but certainly bitterly cold temperatures by day, and at night time then, where we see the winds easing or falling light in places, they could dip down to -3 and possibly -4 in places."
The warning will be in place from tomorrow afternoon until Friday night.
- Widespread showers will continue tomorrow night, merging into longer spells of rain in the southwest. A cold night with lowest temperatures of -1 to +3 degrees in moderate southwesterly winds.
- Very cold with widespread heavy showers or longer spells of rain Temperatures will only reach between 3 and 5 degrees so feeling very cold.
- Wintry showers will mostly retreat to western coastal counties. Lowest temperatures of -3 to +2 degrees, coldest in Ulster and Leinster.
- Another cold day. Temperatures during the afternoon will only reach between 3 and 6 degrees and there will be an added wind chill too as fresh to strong northwesterly winds develop.
- Not as cold as Thursday night with lowest temperatures of 0 to +4 degrees, but it will remain breezy with fresh to strong northwesterly winds.