National Forecast
Issued at: 29 May 2026 21:00
TONIGHT
Early tonight will be dry with clear spells. Cloud will build from the Atlantic. Rain will develop in the west overnight and spread across Ulster, Connacht and Munster by morning. A few patches of mist or fog possible. Lowest temperatures of 9 to 13 degrees with mostly light southerly breezes.
TOMORROW - Saturday 30th May
Saturday will start off dry in the east. Rain further west will extend eastwards to all areas by noon turning heavy in parts of Leinster. Sunshine and scattered showers will follow, some possibly heavy, especially in Ulster. Highest temperatures of 16 to 20 degrees, with light to moderate southerly breezes.
National Outlook
Overview: A mobile Atlantic regime will bring generally cooler and more changeable conditions.
Saturday Night: Saturday night will bring a mix of clear spells and showers. The showers will be heaviest and most frequent in the northwest and north. Lowest temperatures of 10 to 13 degrees in light, occasionally moderate, southwesterly breezes.
Sunday: Variable cloud, sunny spells and scattered showers on Sunday. It'll turn cloudier from the southwest later in the day, with patchy rain and drizzle developing along Atlantic coasts in the evening. Highest temperatures of 15 to 20 degrees, warmest in the east, with light to moderate southwesterly winds. Mostly cloudy on Sunday night with outbreaks of rain and drizzle spreading countrywide in light to moderate south to southwest winds. Patches of mist will develop too. Lowest temperatures of 11 to 14 degrees.
Bank Holiday Monday: Mostly cloudy and damp to begin on Bank Holiday Monday with outbreaks of rain and drizzle, breaking up into showers and sunny spells as the day goes on. Some of the showers could turn heavy later. Highest temperatures of 15 to 20 degrees, again warmest in the east, with moderate southwest to west winds.
Tuesday: Current indications suggest a mix of sunshine and showers, some heavy early on in the day. Highest temperatures of 14 to 18 degrees in mostly moderate westerly winds.
Further Outlook: Changeable and at times unsettled with a mobile Atlantic regime dominating. Temperatures trending near average, with daytime highs in the mid-teens generally.
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.