Met Eireann's weekly five-day forecast shows a week of 'changeable' conditions meaning there will be rain and showers most days.
However, the summer weather is not over just yet as Ireland looks set to be in for another blast of heat at the end of the month, just before children return to school in September.
The last few days of August and the first days in September look set to be warm with above average temperatures as high pressure builds.
A Met Eireann forecaster said: "High pressure looks set to be a significant influence on Ireland’s weather as we move towards early September.
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"It looks set to become quite settled with below average rainfall forecast nationwide, driest across the west and north of the country. Mean air temperatures are forecast to be slightly above normal."
Before that, next week will see both sunny spells and scattered showers that could clear up on Wednesday with temperatures reaching 21C that day.
Tonight will see cloud building from the west, with showery outbreaks of rain spreading across the country that could turn heavy in places with temperatures around 10C to 14C.
Here is a more detailed outlook for the week ahead:
Monday, August 22
It will be a wet and cloudy start tomorrow with to Monday with showery outbreaks of rain, heavy in places, clearing eastwards through the morning. Sunny spells and scattered showers will follow in the clearance. Highest temperatures of 17 to 22 degrees in mostly light to moderate southwesterly winds.
Monday night will be generally cloudy night with patchy outbreaks of rain and drizzle spreading from the west. Some patchy mist and fog developing also. Mild and humid with lowest temperatures of 14 to 17 degrees in a light to moderate southwesterly breeze.
Tuesday, August 23
Tuesday will bring a mix of sunny spells and scattered showers, with showers most frequent in the north and northwest. Turning drier towards evening with more widespread spells of sunshine. Highest temperatures of 17 to 22 degrees, coolest in the west and northwest, in light to moderate westerly winds.
On Tuesday night a cloudy night generally with outbreaks of rain and drizzle, most persistent in the southeast. Lowest temperatures of 10 to 14 degrees, mildest in the southeast. Light to moderate westerly winds.
Wednesday, August 24
Becoming largely dry with long sunny spells on Wedneday, though there is the chance of isolated light showers, mainly in the north and west. Highest temperatures of 16 to 21 degrees, warmest in the southeast, in moderate westerly winds.
Thursday, August 25
Thursday currently looks likely to be a largely dry day with sunny spells and well scattered showers. However, it will turn cloudier later with outbreaks of rain developing in the west and northwest later. Highest temperatures of 16 to 20 degrees.
A further outlook shows uncertainty for later in the week but current indications suggest that it will be slightly more settled with a mix of scattered showers and spells of sunshine for Friday and the weekend. Temperatures falling back slightly to the mid to high teens.
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