National Forecast
Issued at: 25 May 2026 16:00
TODAY - Monday 25th May
Warm or very warm and dry this afternoon and evening with long spells of sunshine. Some sea fog or low cloud is possible through the day, especially along western and northern coasts. Highest temperatures of 23 to 28 degrees generally, warmest in Leinster and Munster, but a little cooler near western and northern coasts. All with light variable breezes.
TONIGHT
Dry and mild tonight with long clear spells for most, a bit cloudier in the north and west. Some mist and fog patches will develop too. Temperatures will not fall below 10 to 15 degrees in light northerly or variable breezes.
TOMORROW - Tuesday 26th May
Warm or very warm tomorrow. Mist and fog patches will clear early on to leave a dry day with long spells of sunshine and just the chance of an isolated shower. Highest temperatures will generally range between 20 and 28 degrees, lowest in Ulster, especially near coasts where it will be cooler. It will be warmer in parts of Munster and south Leinster where temperatures could reach higher locally.
National Outlook
Overview: After a warm or very warm and dry first half of the week, temperatures will pull back a little, with some rain and showers to come too.
Tuesday night: Mostly dry with long clear spells, although an isolated shower is possible, and with some mist fog patches forming. Lowest temperatures ranging from 8 degrees in the north to 15 degrees in the south, with light to moderate east to northeast breezes.
Wednesday: Another warm day with lots of sunshine, and just the possibility of an isolated shower or two. Highest temperatures of 20 to 27 degrees, but a little cooler along eastern coasts, with a moderate easterly breeze.
Wednesday night: A very mild night. While it will be dry for most with long clear spells, a few showers may develop, and also some mist and fog patches. Lowest temperatures of 12 to 16 degrees, with a light to moderate east to southeast breeze.
Thursday: Cloudier than recent days with some patchy outbreaks of rain and drizzle further west. A bit cooler too, with highest temperatures of 18 to 24 degrees, a little lower along southern and southwestern coasts. Moderate southeasterly winds will veer southwesterly through the day and freshen a bit.
Friday: Any rain will clear northwards early on, leaving a dry day with some good sunshine, but with cloud building from the south through the afternoon and evening. Highest temperatures of 17 to 21 degrees, with light to moderate west to southwest winds.
Further outlook: Current indications are for a return to more unsettled conditions for the long weekend, with some rain and showers forecast. Highest daytime temperatures falling back to the mid to high teens.
Temperature circle (°C): maximum and minimum temperature forecast for each day. Wind symbol (km/h): arrow points in the direction the wind is blowing. The weather and wind icons: for the time of maximum temperature and minimum temperature.