National Forecast
Issued at: 29 August 2026 05:00
TODAY - Saturday 29th August
A wet start for most with widespread rain, drizzle and some mist. The rain will be very heavy and persistent at times with the chance of localised flooding. It will be a drier start further north though, with parts of Ulster staying dry. While the rain will clear eastwards through the day, it may linger in parts of Leinster and Ulster towards evening. Following the clearance, there will be some sunny spells, mainly across Munster and Connacht, but also some showers. Highest temperatures of 15 to 20 degrees, with light to moderate north to northwest winds backing westerly.
TONIGHT
Starting off mostly dry with a mix of cloud and clear spells and just isolated showers. However, as the night progresses, scattered showers or more persistent spells of rain will spread from the southwest and some of these will be very heavy. Lowest temperatures of 10 to 15 degrees, with mostly light southerly winds, freshening in the southwest towards morning.
TOMORROW - Sunday 30th August
Widespread showers or more persistent spells of rain. These will be very heavy at times with thunderstorms and localised flooding possible. Some sunny spells will develop through the day. Highest temperatures of 16 to 21 degrees, with light to moderate, fresh at times, variable 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.