MET Eireann has warned temperatures are set to plummet to -1C before an “unsettled week”.
Light rain and wind are set to batter Ireland throughout the weekend with a huge mercury drop.
Wet conditions are set to extend to most areas this evening with clear spells following from the west.
Mild temperature of 12 to 15C will gradually drop to 9 to 12C during the night.
Met Eireann expert Andrew Doran-Sherlock said sunny spells are on the cards for tomorrow before a big switch.
He said: “Tomorrow, there will be sunny spells, with scattered showers moving eastwards across the country, some turning heavy at times.
“Highs of 10 to 13 degrees, with light to moderate southwest to west winds, freshening northwest early in Atlantic coastal areas during the evening.”
Sunday night is expected to have clear spells and scattered showers, but the temperatures will drop to 3 to 6C in a moderate to fresh northwesterly wind.
He continued: “Monday will be mostly dry, with long spells of sunshine, and just isolated showers.
“It’ll turn a little gladier then in the northwest towards the evening.
“Moderate northwest winds will ease light in the afternoon, with highest temperatures of 6 to 10C.”
FREEZING NIGHT
Monday night will experience some clear spells before outbreaks of rain arrive in the west and southwest by midnight extending across the country – with temperatures hitting -1C.
Tuesday is expected to be “a wet start” as outbreaks of rain will spread eastwards through the morning, clearing the west by afternoon with sunny spells.
Highest temperature of 7 to 11C, with moderate to southeasterly winds veering northwesterly as the rain clears.
Tuesday night will become mainly dry as showers become isolated through the night.
It is also expected to be another cold night with the lowest temperature of 0 to 4C in light westerly winds.
Andrew added: “There are some indications towards the end of the working week, it will turn a bit more unsettled.
“But then there’s also indications that high pressure could build for next weekend.
“But there is some uncertainty, so do keep in touch for the forecast.”