National Forecast
Issued at: 28 August 2026 21:30
TONIGHT
Becoming wet tonight as rain spreads from the southwest across much of the country. It will turn heavy at times with the chance of isolated thunderstorms and localised flooding. Parts of Ulster will remain dry. Generally light variable winds will increase moderate northeasterly in the south later. Some mist and fog patches developing too. Lowest temperatures of 11 to 15 degrees.
TOMORROW - Saturday 29th August
Saturday morning will start cloudy and wet with widespread rain, heavy or thundery in places with a chance of localised flooding. The rain will become confined to east Leinster by afternoon, with sunny spells and isolated showers following elsewhere. Highest temperatures of 15 to 20 degrees in light to moderate north to northwest winds.
National Outlook
Saturday night: Early Saturday night will be mostly dry, with clear spells and just isolated showers. Overnight, cloud will increase and more frequent showers will develop in the south and west, turning heavy at times. Lowest temperatures of 11 to 15 degrees with light to moderate south to southeast or variable winds.
Sunday: A cloudy and wet start to the day as rain spreads northeastwards across the country, turning heavy and possibly thundery at times. The rain will gradually clear northeast through the day and will be followed by sunny spells and scattered showers. Highest temperatures of 15 to 18 degrees with moderate to fresh winds, variable in direction.
Sunday night: Becoming breezy on Sunday night with a mix of clear spells and scattered showers, merging to longer spells of rain at times. Lowest temperatures of 11 to 14 degrees with moderate to fresh westerly winds.
Monday: Breezy with sunny spells and scattered showers at first, becoming cloudier later. Highest temperatures of 15 to 18 degrees with a moderate to fresh westerly breeze.
Monday night: Showers will continue on Monday night and after a mostly cloudy start, some clear spells will develop overnight as winds also ease. Lowest temperatures of 10 to 14 degrees.
Tuesday: Many areas will be dry and bright on Tuesday, although there will be well scattered showers too. Highest temperatures of 15 to 19 degrees with light to moderate west to northwest winds.
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.