Met Éireann are expecting temperatures to reach between 15 and 20C today, making it a mostly dry and sunny day.
There will be some fresh breezes however, with temperatures coolest along the south and east coasts. Tonight will be dry with clear spells, and temperatures reaching 8C.
The dry weather will continue into Tuesday and Wednesday with temperatures between 16 and 21C.
"It will become a bit cloudier in the west later in the day on Wednesday," forecasters said.
"Highest temperatures of 15 to 20 degrees with moderate southeast breezes. It will be coolest in the east and south and warmest in the midlands and northwest."
There will be "a bit more cloud than previous days" on Thursday but conditions will remain largely dry and sunny, with a possibility of one or two isolated showers later in the day.
However on Friday, the day will start off dry before showers develop in the east and south.
"These will spread westwards across the country through the afternoon," forecasters said.
"It will be noticeably cooler with light to moderate easterly breezes and highest temperatures ranging from 12 degrees in the east to 17 degrees in the west."
While current indications for the weekend suggest that Saturday and Sunday will bring a mix of sunny spells and scattered showers.
Some heavier showers are expected on Sunday, with highs of 17C.