Met Eireann has revealed when the heat spell will come to an end as a low system is set to take hold.
Weather Alerts Ireland warned that a low-pressure system will stall near the country on Friday into Saturday and Ireland will be lashed by heavy rain and possible flooding this weekend.
They added: "Flooding is possible especially in the South West where over 80mm of rain is possible on higher ground in a 24-hour period! Over 50mm is possible in 24 hours in other South Western spots."
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Today will be cloudy but bright and sunny spells may develop throughout the day. It'll be a hot day with temperatures of 20 to 22 degree. Tonight will be mostly cloudy with the isolated light rain. It will be a mild night with temperatures of 13 or 14 degrees.
Another cloudy day is expected tomorrow but persistent rain is set to move northwards over the region during the afternoon but will be followed by drier weather for the evening. Winds will get stronger during the afternoon and temperatures will be of 17 or 18 degrees.
While there is no further forecast for Dublin, here is what the national outlook says:
Friday night
A Met Eireann forecaster said: "Clear spells and scattered showers at first but another spell of heavy rain will move into the southwest overnight. Lowest temperatures of 8 to 11 degrees with moderate to fresh and variable winds.
Saturday
"Saturday will be a cloudy and wet day with spells of rain and heavy showers. Some of the showers may be thundery. Highest temperatures of 12 to 16 degrees in a moderate to fresh south to southeast wind.
Saturday night
"Further spells of rain and showers across the country during Saturday night. Lowest temperatures of 9 to 13 degrees with light to moderate south to southeast winds.
Sunday
"A mix of sunny spells and widespread heavy and possibly thundery showers. Highest temperatures of 13 to 17 degrees in a moderate to fresh south to southwest breeze
Sunday night
"A mix of clear spells and scattered showers, heaviest and most frequent in the west and northwest. Lowest temperatures of 8 to 12 degrees with light to moderate south to southwest winds."
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