Met Éireann is forecasting up to 20 degrees in the region.
Temperatures could reach 20 degrees over the next couple of days.
Met Éireann says it will be warm, sunny and dry until the weekend at least.
It's expected to be warmest in the midlands, with the cooler spells coming along the east coast.
Meteorologist Joanna Donnelly says the forecast for the week is looking positive: