It will be a dry and bright day with a mix of sunny spells and cloudy conditions, according to Met Éireann.
The south and east of the country will see the best of the sunshine, with cloudier conditions expected at times in parts of the north-west and north.
Temperatures will reach between 10 to 12 degrees today dropping between -1 to 5 degrees tonight.
Tuesday – Early frost in the south and east will soon clear, giving rise to some sunny spells for a period.
Met Éireann outlined that while it will be mostly dry, cloud will thicken from the west and it will become breezy later in the afternoon.
Temperatures will range from 11 to 13 degrees, with lows of 7 to 9 degrees on Tuesday night.
Rain will move in across Connacht and Ulster on Tuesday night, although it will remain mainly dry elsewhere.
Wednesday – Rain in the west will gradually spread across the country, according to the national forecaster. It predicts that rain will turn heavy at times in the west.
The rain will clear on Wednesday night, with some showers to follow and lows of 4 to 7 degrees.
Thursday – It looks likely to be mostly dry with some sunny spells and highs of 9 to 12 degrees.
Friday - Met Éireann noted that it seems likely that rain will move up from the south, possibly turning heavy.
In this case, it will become milder as the day progresses; strong winds and rain are also possible.