National Forecast
Issued at: 15 May 2026 05:20
TODAY - Friday 15th May
Dry with some sunny spells in most areas this morning and afternoon, apart from isolated showers in Ulster and later in Leinster. Cloudier in the west and southwest though, with patches of light rain or drizzle possible later. Highest temperatures of 10 to 15 degrees with a light to moderate northwesterly breeze.
TONIGHT
Tonight will start mainly dry, with some clear spells over the eastern half of the country. Cloud will spread eastwards overnight, bringing patches of light rain or drizzle. Lowest temperatures of 2 to 9 degrees, coldest in the northeast early in the night, with light variable or southerly winds.
TOMORROW - Saturday 16th May
Tomorrow morning will start off cloudy with patches of rain or drizzle. More persistent rain will quickly develop in the west and will move eastwards across the country through the morning and afternoon, with sunny spells and scattered showers following. The rain will clear from the east by evening. Highest temperatures of 9 to 14 degrees with light to moderate south to southwest winds, becoming westerly with the clearance of the rain.
National Outlook
Overview: Unsettled with rain or showers. Gradually becoming milder.
Saturday night: Clear spells and well scattered showers at first. Cloud will increase overnight and outbreaks of rain or drizzle will develop in the west and northwest. Lowest temperatures of 3 to 7 degrees with light to moderate west to southwest winds.
Sunday: Cloudy and breezy with outbreaks of rain and drizzle, turning heavy and persistent at times, particularly during the late afternoon and evening. Some thunderstorms are possible too. Highest temperatures of 9 to 13 degrees with a moderate to fresh southwesterly breeze developing.
Sunday night: A cloudy and wet start with widespread rain, heavy at times. The rain will give way to clear spells and isolated showers in northern areas, but will continue in the south. Lowest temperatures of 3 to 9 degrees, coldest under clear spells in the north, with light to moderate southwesterly winds.
Monday: Rain will continue in the south on Monday morning, with drier weather and some sunny spells further north. However, it will become cloudy and wet through the afternoon as rain extends across the country from the southwest and turns heavy at times. Highest temperatures of 11 to 14 degrees with a moderate south to southeast breeze.
Monday night: It will stay mostly cloudy with scattered outbreaks of rain on Monday night. Milder than recent nights with temperatures not falling below 9 to 12 degrees, in a moderate southerly breeze.
Tuesday: Mostly cloudy with showery outbreaks of rain at first, but drier weather with some sunny spells will extend from the south later. Highest temperatures of 13 to 16 degrees with a moderate to fresh south to southwest breeze.
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.