High pressure to bring temperatures of 21C or 22C this week, Met Éireann says 

Wednesday could see the mercury rise to 22C. Picture: Larry Cummins

Temperatures look set to surpass the 20C-mark this week as a period of high pressure brings largely settled and sunny conditions over the coming days.

According to the latest Met Éireann forecast, temperatures tomorrow will hit 21C, while Wednesday will be even warmer with highs of 22C expected.

Monday will start out as a dry day, with any early morning drizzle in the west and north clearing quickly by mid-morning. While it will be somewhat cloudy to begin with, long spells of hazy sunshine will gradually develop in most parts as the day goes on.

Largely dry today, Monday, with any lingering rain or drizzle in the west and north soon clearing.

Quite cloudy to begin, but spells of hazy sunshine will gradually develop in most parts through the day ☁️⛅️

Highs of 14 to 19°C 🌡️

More info 👇https://t.co/BgwnlFeX1D pic.twitter.com/LLUPHTynSv

— Met Éireann (@MetEireann) April 28, 2025

Temperatures today will range from around 14C to 19C, with the warmest weather over the northern half of the country.

Conditions will remain dry into tonight, with temperatures falling back to around 6C to 9C.

Tuesday will also bring plenty of hazy sunshine, with highs of 17 to 21C forecast for most of the country. Temperatures tomorrow night will range from 7C to 11C "with variable cloud and clear breaks" and some mist and fog patches forming, Met Éireann says.

Warmest day of the week

At this stage, Wednesday looks set to be the warmest day of the week. Met Éireann says that while a few showers could bubble up on Wednesday afternoon, most places will stay dry throughout the day. Highest temperatures on Wednesday will range from 18C to 22C.

Most places will stay dry and clear on Wednesday night, although thickening cloud in the northwest will gradually extend southeastwards overnight with a few spots of light rain or drizzle developing. Lowest temperatures on Wednesday night will range from around 7C to 11C.

Thursday will be a cloudier day overall with a few light showers forecast, though some sunny breaks will still occur. Highest temperatures on Thursday will range from 11C to 15C in Connacht and Ulster, and from 15C to 19C in Munster and Leinster. 

A mix of cloud and clear spells is expected on Thursday night with isolated light showers, and temperatures ranging from 4C to 8C in mainly light northerly breezes.

Finally, conditions on Friday will be sunny in the east and south to begin the day, before cloud gradually starts to spread from the northwest for the afternoon, bringing the possibility of a few light showers. 

These showers are likely to clear for most of the country by the late afternoon and early evening, however. Highest temperatures on Friday will range from 13C to 17C.