Showers will be frequent and heaviest over the north of the country, according to Met Éireann.
It reports that cloud will increase in the south-west, giving rise to outbreaks of more persistent rain by the early afternoon.
Temperatures will range from 6 to 8 degrees this afternoon, before dropping between zero and +3 tonight.
Widespread showers are expected tonight – these will be most frequent in the west. It will turn “increasingly wintry tonight, with the possibility of snow accumulating over high ground”.
Saturday – The national forecaster predicts that there will be sunny spells and frequent showers tomorrow.
Showers will be heavy at times and “wintry on hills” with lows of 4 to 7 degrees.
It will be cold tomorrow night with showers of rain or sleet, with some snow possible over high ground, according to Met Éireann, who stated that showers will be most frequent over the southern half of the country.
There will be widespread frost with lows of -1 to -3 – coldest in the north.
Sunday – Icy patches will lead to another day of widespread showers – some of which will be wintry at times.
Temperatures will be in the region of 2 to 3 degrees in the north and will be slightly higher, ranging from 5 to 6 degrees, further south.
Again, widespread frost on Sunday night, with lows of 0 to -2.