Met Éireann has predicted “wet and windy” conditions will take hold in the latter part of the week along with “higher than normal” temperatures in parts.
The national forecaster’s extended-range foecast says that a front from the Atlantic will bring increased rainfall and wind in-land.
Beginning with today, Ulster and east Leinster will remain dry with mild temperatures of 10C to 15C, with the wettest weather in Connacht and Munster.
Rain will spread further tonight into Ulster and Leinster by morning with temperatures between 5C and 9C.
Wednesday will see conditions begin to dampen as the morning kicks off with rain over Ulster and Leinster, while the rest of the country will see a mix of sun and scattered rain with temperatures between 9C and 12C.
Munster and south Leinster will bear the brunt of the showers into the night before they clear up overnight with temperatures between 2C and 7C.
Thursday will be a wetter day with heavy rain developing in the southwest in the morning, spreading northeastwards to cover all counties in the afternoon, with Met Éireann warning of possible flooding. Temperatures will reach between 10C and 13C.
Thursday night will remain wet, clearing to the east overnight amid temperatures of between 5C and 8C.
Friday looks to be a mixed bag of wind, sunshine and rain with temperatures of 9C to 11C before Atlantic showers will spread across the country by night.
The weekend is forecast to be wet too as Saturday starts off wet in all counties along with strong winds and temperatures up to 15C.
Sunday will be a cooler day with temperatures of 9C to 11C and a mix of sun and showers with gusty winds.