Today
Bright and breezy today.
Heavy showers over Ulster and Connacht will become more widespread, with a risk of some thundery downpours in places.
A few sunny spells at times also.
Top temperatures just 14 to 17 degrees.
Fresh and gusty southwest winds will be strong and gusty on parts of the south and west coasts.
Tonight
Breezy overnight.
Showery at first, with some dry clear spells, but a longer spell of heavy and possibly thundery rain will extend across the country later on.
Lowest temperatures 8 to 11 C.
Fresh and gusty southwest winds will later veer more westerly.
Tomorrow
A wet start to Friday, with some heavy bursts of rain in places.
But brighter by afternoon, with sunny spells and occasional showers.
Top temperatures just 13 to 16 degrees. Fresh and gusty southwest winds veering westerly.