Dubliners are waking up to a slightly overcast and drizzly Sunday morning but early forecasts suggest the week ahead will be very warm.
Temperatures are set to soar above 20C by the middle of the week although there may be some isolated showers.
Today will be bright and breezy with some sunshine and occasional light rain or showers and highs of 17 to 19C.
Tonight will be mainly dry with lows of 10 to 13C.
Monday will bring sunny spells and isolated showers with highest temperatures 17 to 18C.
Tuesday will be much the same before temperatures rise on Wednesday.
Met Eireann say: "Wednesday: Another dry day with sunny spells. Highs of 17 to 20 degrees. Very light breezes.
"Dry with clear spells overnight and some mist. Minimum temperatures 7 to 10 degrees.
"Thursday: Probably holding dry too with variable cloud and warm sunny spells. Highest temperatures 16 to 22 degrees.
"Risk of some rain/drizzle in the North overnight but mainly dry elsewhere. Lows 9 to 11 degrees.
"Friday: Cloudy in the North with some light rain or showers at times but holding dry further south with the best of any sunshine in the Southwest. Maximum temperatures 16 to 21 degrees."