Met Eireann says weather conditions will remain "changeable and mixed" this week and pinpointed where will get the best of the sunshine.
Temperatures will remain in the high teens and low twenties, but it will be quite humid at times too, "with the warmest conditions in the south and east."
Today (Monday June 23) will see sunny spells develop but some parts of the country will see outbreaks of rain and drizzle.
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A Met Eireann forecaster said: "Showers will continue to die away this morning and it'll be mainly dry then for a good part of the day with variable cloud and some sunny spells developing.
"Cloud will increase from the west later, with outbreaks of rain and drizzle moving into the west and southwest by evening time, becoming a little more widespread by nightfall, accompanied by some hill and coastal mist and fog.
"Highest temperatures of 16 to 22 degrees, coolest in the northwest and warmest in the south, in mainly moderate west to southwest breezes, fresh at times in coastal parts of the north and west.
"It'll be cloudy tonight with scattered outbreaks of rain and drizzle, heavy at times in the northwest and west. Some hill and coastal mist and fog too.
"A mild and humid night with temperatures falling no lower than 12 to 16 degrees in moderate to fresh southwest winds."
Tomorrow (Tuesday June 24) will see a mixed bag of cloud and drizzle but there will be dry intervals too and highs of 22 degrees.
Met.ie says: "Tomorrow morning will be mostly cloudy but with just a little light patchy rain and drizzle here and there. It'll become mainly dry across Ulster and Connacht by the afternoon with any patchy light rain and drizzle becoming mostly confined to south Munster and south Leinster later, where there'll be some further hill and coastal mist and fog too. Some bright or sunny spells will develop at times.
"Highest temperatures of 15 degrees in the northwest to 22 degrees in the south in mostly moderate southwest to west winds, fresh for a time in western coastal parts, decreasing light to moderate later.
"Tuesday night will bring a fair deal of cloud but with a lot of dry weather and just a few patches of light rain or drizzle about, mainly in southern parts. It will be rather misty on southern coasts.
"A mild and humid night, especially in the south, with lowest temperatures of 11 degrees in the northwest to 15 degrees in the south in light southwest or variable breezes."
Wednesday (June 25) will see lots of dry weather but there is a risk of heavy rain and thunder at points:
"Wednesday will bring a good lot of dry weather for the morning and afternoon, with just a few scattered showers. While there'll be a good lot of cloud, there'll be some bright or sunny spells. A spell of rain will spread from the west during the evening, becoming heavy at times with the chance of thunder.
"There'll be some hill and coastal mist and fog too especially further south. Highest temperatures of 17 to 22 degrees with southerly winds increasing mostly moderate, becoming fresh later along the west coast.
"Rain will clear eastwards on Wednesday night with clear spells and a few showers following. It will be a cooler night than the previous couple, with lowest temperatures of 9 to 13 degrees in mostly moderate southerly winds, veering westerly as the rain clears and fresh at times in western and southwestern coastal parts."