Today will be mostly dry with sunny spells, but there will be a chance of drizzle.
It will be cloudier in the west of Ulster, however, according to Met Éireann.
Highest temperatures of 15 to 18 degrees in a light to moderate southerly breeze.
It will become cloudier tonight and scattered outbreaks of rain will develop, turning heavier and more persistent in western areas later in the night.
It will become breezy as light to moderate southerly winds increase moderate to fresh, occasionally strong.
Mild with lowest temperatures of 10 to 12 degrees.