Temperatures surpassed Met Éireann’s predictions on Monday as Ireland basked in a warm spell of summer weather.
Waterford and the South East is likely to enjoy more good sunshine, however, it's expected to change on Friday.
While highs of 22 degrees were forecast for the day, the mercury rose as high as 23 degrees at Mount Dillon in Co Roscommon, while many other weather stations recorded temperatures at the 22 degree mark.
Although rain and drizzle can be expected, the warm spell is expected to continue with daily highs between 18 and 21 degrees until the weekend.
Wednesday is due to start with some patchy drizzle, before the cloud breaks up throughout the morning to give most areas a bright dry and sunny afternoon.
Highest temperatures of 15 to 21 degrees are forecast, with it expected to be coolest in the northwest and warmest in the southeast.
Weekend weather
Thursday is forecast to be quite cloudy with some patchy outbreaks of light rain or drizzle at times, mostly in the west, during the morning.
It will become drier and brighter later in the afternoon and through the evening hours, with highest temperatures of 17 to 21 degrees, warmest in the southeast.
It looks like the weather will change on Friday, according to Met Éireann, with rain spreading from the west through the day, followed by cooler showers weather through the afternoon.
Highest temperatures of 15 to 18 degrees are forecast.
Current indications suggest next weekend will be unsettled, the forecaster added, with low pressure dominating the weather over Ireland, bringing showers or longer spells of rain.
Temperatures in the mid to high teens are expected.
More here on the latest news for Waterford.