An air temperature of 33 degrees was recorded in the Phoenix Park in Dublin today.
Met Eireann says it's a new all time national record for the month of July.
Today was predicted to be the hottest day of the summer, with the local Ballyhaise Weather Station in Co Cavan recording 30 degrees earlier today.
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These walkers in Dun Laoghaire in Dublin hope it's not the end of the warmer weather: