High pressure will dominate over the coming weekend with dry, bright and settled weather.
Met Éireann has said it will be chilly too, especially at night, with mist, fog and some frost forming.
Today (Friday, October 16) there will be a mix of sunshine and showers.
The showers will be most frequent in the west this morning, with some turning heavy, and a slight chance of thunder in the north.
During the afternoon, the showers will become mostly confined to Ulster and Leinster before dying away later to leave a dry and bright evening.
There will be highest temperatures of 10° to 14°C, with light to moderate north-westerly winds.
Tonight will be dry for most with long clear spells, and just the odd light shower possible in northern parts early on.
There will be lowest temperatures of 1° to 5°C, with a touch of frost in places.
Some mist and fog patches will also form in a light north-westerly or variable breeze.
Any mist and fog patches will clear tomorrow morning to leave a dry, bright and crisp day with plenty of sunshine, Met Éireann said.
There will be highest temperatures of 10° to 13°C with light north-easterly or variable breezes.
Saturday night will be dry and chilly with patches of mist and fog forming under mostly clear skies in just a light variable breeze.
There will be lowest temperatures of 1° to 5°C, possibly reaching freezing locally, with some frost developing.
On Sunday, mist and fog will clear through the morning to a leave a dry day with plenty of sunshine.
Highest temperatures of 10° to 13°C are expected with light variable breezes.
Sunday night will be another dry, chilly night with mostly clear skies and light variable breezes allowing patches of mist and fog to form.
There will be lowest temperatures of 1° to 6°C.
Monday is expected to be a dry and bright day for most with mist and fog clearing early on.
There is the chance of a few showers drifting into parts of the south-east through the day.