It will be dry and bright today, with a mix of sunny spells and cloudy periods, according to Met Éireann.
Temperatures will be in the region of 5 to 8 degrees before dropping between -2 to +2 tonight.
Frost will set in quickly under clear skies, with a risk of icy patches with some mist and fog.
Tuesday – Frost and fog will clear slowly, giving rise to spells of sunshine which will develop widely.
The national forecaster predicts that it will turn rather cloudy in southern and western coastal counties, with the possibility of an “odd, light shower”.
Temperatures will range from 6 to 9 degrees with lows of 3 to 6 degrees during the night.
Tomorrow night will see an increasing amount of cloud across the country; the west and south-west will experience patchy rain and drizzle, while an odd, light shower is possible elsewhere.
Much of the country, Met Éireann, outlined, will be frost-free.
Wednesday – A “fragmenting band of rain” will push eastwards across the country; rainfall amounts will be "small" with parts of the east and south-east set to remain dry.
Temperatures will reach 7 to 11 degrees during the day before hitting between 1 to 4 degrees during the night.
There will be an odd, light shower overnight, with patchy frost set to form.
Thursday – It will be rather windy with rain set to descend upon the west and north; top temperatures of 10 to 13 degrees.
Rain will extend to all areas overnight and it will remain rather windy.
Friday – The Irish Meteorological Service expects that it will be a cold and blustery day with sunny spells and scattered showers. Maximum temperatures of 7 to 10 degrees, with minimum temperatures of 5 to 8 degrees.
Further scattered showers are expected overnight but most areas will be dry.