Met Éireann said Saturday will be a bright and breezy day with sunshine and showers, some heavy and a few possibly thundery especially in the north.
The showers will become confined to Atlantic coasts and the north overnight on Saturday and Sunday will be a fresh and cool day with sunny spells and scattered showers. Some of the showers will be heavy, especially in the west and north.
For the 57,000 fans attending Electric Picnic in Co Laois this weekend, persistent rain will spread from the west tonight bringing some showers for performances by Hozier, Dermot Kennedy and Billie Eilish.
However, the last of the rain will clear the east early tomorrow morning with scattered showers following. There will be a chance of a few heavy downpours developing in the afternoon with a risk of thunder in northern parts before The Strokes and The 1975 take to the main stage.
Sunday will be a fresh and cool day with sunny spells and scattered showers ahead of gigs by Florence + the Machine and Kodaline.
Weather at Croke Park for the All-Ireland football final between Dublin and Kerry will be cool and breezy with a mix of sunny spells and showers. Temperatures will reach a maximum of 16°C.
Showers will become isolated across the country early on Sunday night and it will be mostly dry with good clear spells.