Forecasts by Met Eireann show some places could reach 28C, with Munster and Leinster likely to be the warmest areas.
Bairbre Holmes, Press Association
10:50, 25 May 2026
Portmarnock beach (stock)(Image: Arthur Carron/Collins)
Ireland could have record-breaking temperatures this week as the current spell of hot weather continues.
Forecasts by Met Eireann show some places could reach 28C, with Munster and Leinster likely to be the warmest areas. The previous hottest May day was on May 31 1997 when a temperature of 28.4C was recorded at Ardfert Liscahane in Co Kerry.
Long spells of sunshine are expected throughout the country, the national meteorological service has said, with the highest temperatures between 23C and 28C. The warm weather is expected to continue, with temperatures of up to 28C again forecast for Tuesday and 27C on Wednesday.
In the UK, Monday is forecast to be the hottest bank holiday on record, with temperatures of 34C forecast in Greater London and south-east England. The UK had its hottest May day for at least 79 years on Sunday with a high of 32.3C at Kew Gardens in south-west London.
Northern Ireland reached 2026 record temperatures of 23.4C in Armagh on Sunday and temperatures could reach 24C there on Monday.
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