Don’t pack away the sunscreen and the shorts just yet, as the country could see temperatures soar to the mid 20s next week. Don’t pack away the sunscreen and the shorts just yet, as the country could see temperatures soar to the mid 20s next week. Temperatures are set to reach as high as 26C in some parts of the country next week. Monday will be dry with a mix of cloud and sunshine, warmest across Munster and Leinster, with top temperatures of 17C to 24C. Some parts of the east and southeast will remain fully dry, with top temperatures of 22C to 28C.