Met Eireann says low pressure “will be the dominant feature” of the weather over the coming days, with unsettled conditions forecast.
Low pressure systems typically cause cyclonic conditions and bring cloud, wind and rain to Ireland.
The national forecaster said: “Low pressure will never be too far from us in the coming week, keeping our weather unsettled. There will be spells of rain and showers, some of which will be heavy, with breezy conditions at times also.”
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Sunday is set to start off bright and sunny, but one weather expert has advised the public to “make the most of the early sunshine” as rain is due to arrive in the west early before moving across the country.
Alan O’Reilly of Carlow Weather posted on social media: “Rain arriving from the West Sunday morning and moving across the country. Heaviest rain will be in Northern half of the country where it will continue for afternoon and evening. Make the most of the early sunshine!”
Giving its overall forecast for today, Met Eireann said: “Cold and dry for most this morning with hazy sunny spells in eastern areas. Outbreaks of rain and drizzle in the west and southwest will spread eastwards across the country through the morning and afternoon. The rain will be most persistent over the northern half of the country, with drier spells further south. Highest temperatures of 8C to 11C with a moderate to fresh southerly wind developing in the afternoon.
“Tonight will be cloudy with persistent rain over the northern half of the country. Remaining drier to the south with occasional patches of light rain and drizzle. Gradually becoming milder with lowest temperatures of 5C to 9C occurring early on in moderate southerly winds.”
Looking ahead to next week, it says heavy rain, thunder and breezy conditions are all possible.
It said: “Monday will be a dull and damp day with further outbreaks of rain and drizzle across the country. The rain will be most persistent over Ulster in the morning. During the afternoon and evening, more persistent rain will push into the west and south with occasional heavy falls possible. Highest temperatures 11C to 14C in moderate southerly winds. National Outlook
“Outbreaks of rain will clear to the north early on Monday night, followed quickly from the southwest by further showery rain. Some of the showers will be heavy or possibly thundery. Lowest temperatures of 6C to 9C in a light to moderate southerly breeze.
“Tuesday will start off with a mix of scattered showers and sunny spells. Cloud will thicken from the southwest as the day goes on with rain gradually spreading northeastwards across the country. Highest temperatures of 10C to 13C in moderate southwesterly winds.
“A wet night Tuesday with widespread rain, turning heavy in places. Becoming blustery as southwesterly winds increase fresh, strong at times on Atlantic coasts. Lowest temperatures of 4C to 7C.
“Rain will clear to the north on Wednesday morning. Sunny spells and showers will follow for the rest of the day, with some prolonged showers over the northern half of the country. Remaining breezy in moderate to fresh westerly winds. Highest temperatures of 7C to 11C.
“A good deal of dry weather overall Wednesday night, with well scattered showers and clear spells. A cold night with lowest temperatures of 0C to 3C in light winds.
“Widespread showers will develop on Thursday, with some possibly turning heavy. Highest temperatures of 7C to 11C.
“No sign of a change for Friday and the weekend; remaining unsettled with rain and showers at times.”
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