Leinster is set to be the hottest part of the country this week, with temperatures expected to climb as high as 28C, as Met Éireann forecasts another spell of exceptionally warm weather.
The warm conditions come just weeks after Ireland experienced two successive heatwaves, with forecasters now predicting temperatures will continue to rise through the week and could even reach 30C by Friday.
After a warm start to the week, Tuesday is expected to bring the highest temperatures in the east and southeast. According to Met Éireann, "Temperatures will generally rise to the low to mid-twenties, a little higher in parts of the east and southeast, where temperatures will possibly reach 27 or 28 degrees."
The warm weather is set to continue on Wednesday, with Leinster once again expected to top the temperature charts. The national forecaster said: "Highest temperatures will range from 18 to 20 degrees in the northwest and west, but generally in low or mid-twenties, highest across Leinster, where temperatures will be even a little higher locally, up to 27 or 28 degrees."
#UV Index for Monday 6th July
➡️High under clear skies
➡️Mostly moderate to low but high in parts of the south under cloudy skiesStay #SunSmart by protecting your skin & eyes from ultraviolet radiation from the sun😎🧢⛱️
ℹ️ https://t.co/f7ZgRWWlY5 pic.twitter.com/rp2cYn2fuV
— Met Éireann (@MetEireann) July 5, 2026
Looking further ahead, Met Éireann says conditions will become even hotter later in the week.
In its national outlook, the forecaster said: "Overall a lot of dry weather for the rest of the week and weekend with sunshine and becoming increasingly warm. Indeed getting hotter, especially later in the week and into the weekend."
Friday currently looks set to be the hottest day of the week, with Met Éireann forecasting: "Hotter than previous days with temperatures reaching the mid to high twenties, possibly touching 30 degrees in places."
The hot spell is expected to continue into the weekend, with daytime temperatures remaining in the mid to high twenties, while nights will also stay unusually warm.
According to the forecast: "It's going to continue very warm or hot by day with temperatures generally in the mid to high twenties, possibly a little higher in places... Very warm and muggy by night with temperatures not falling below 16 to 19 or 20 degrees."
While the outlook is dominated by sunshine and high temperatures, Met Éireann has warned there is also the possibility of isolated showers and thunderstorms developing later in the week and over the weekend.
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A recent study found the breaking temperatures people experienced in May could not have been possible with climate change.
This study, conducted by climate scientists, found the weather experienced on May 26 was the result of human-caused climate change.
Exceptionally hot temperatures were experienced, thanks to a combination of high pressure and an unseasonably hot tropical airmass across Ireland.
The record for the highest daily temperature during May was beat by more than 2 degrees, with the previous record set in Ardfert, Co Kerry in 1997 with 28.4C.
Temperatures of 30.6C were recorded at Shannon Airport in Co Clare. Overall, Met Éireann said that May 2026 was the seventh warmest May since 1900.
The forecaster found that the increase in the monthly May temperatures was between 2.1 and 2.5C, a remarkable increase under any circumstances.
According to this rapid weather attribution study, which was conducted by researchers at Maynooth University, it was found that none of this would have been possible in a pre industrial climate, and could only have happened with human induced climate change, usually the burning of fossil fuels.
