Uisce Éireann is appealing to people to help protect water supplies as the dry weather continues.
The national water utility, formerly known as Irish Water, says the majority of water supplies are operating normally and that there are no plans to introduce general water restrictions at this time.
But the company says that a small number of areas are experiencing "temporary, night-time water restrictions".
It says an overnight restriction was required on Friday night for parts of counties Westmeath, Kerry and Kilkenny. It added that this helped to restore reservoir levels and maintain a consistant supply of drinking water during the day for people over the Bank holiday weekend.
However, the company says that they have had to continue with overnight restrictions in Clonakilty in Cork and in Inis Oírr in Galway.
They say these restrictions are in place from 11pm until 7am to maintain a sufficient supply during the day.
Met Éireann's report for last month shows rainfall was below average everywhere, especially in the east of the country with ongoing dry periods.
Speaking to RTÉ'S News at One programme, Paul Downes, Meteorologist with Met Éireann says the eastern half of the country has been mostly affected and they have recorded dry spells in some weather stations going back as far as 15 May.
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He says right now, they are looking at low pressure bringing up some rainfall towards the end of the week, possibly in the south of the country at some point on Friday, with some more widespread rainfall possible on Saturday.
Mr Downe said it is a long way out still and a lot can change. He said that before that we may have a couple of isolated showers in the northwest, but they were not expecting much in the way of rainfall out of them.
Met Éireann says that about 10 to 15 weather stations are in what is known as "absolute drought' at the moment.
This means they experienced 15 days of no more than 0.2 millimetres of rainfall.
Mr Downes said 18 stations are expected be in absolute drought in the next day or two.
He said it looked like most of the country will be in absolute drought by the end of the week.
In a statement, Uisce Eireann says says that a short spell of dry weather does not cause water shortages or drought, but they are asking the public to help protect essential water supplies.
They are asking people to avoid power washing and keep the garden hose in the shed.
They are also asking people to check for leaks on outdoor taps.
They say that paddling pools and swimming pools can use huge volumes of water, so they are asking people to try to minimise the amount of water used and consider reusing the water for the garden or cleaning the car.
