Leinster
Issued at: 17 May 2026 05:30
TODAY - Sunday 17th May
After a mostly dry start, widespread showers will feed in from the west, turning heavy at times with the chance of thunderstorms and hail. Highest temperatures of 9 to 12 degrees with moderate, occasionally fresh, west to southwest winds.
TONIGHT
Tonight, becoming dry for most with clear spells as showers ease early on. Lowest temperatures of 2 to 5 degrees, with patches of mist and fog forming in light westerly or variable breezes and patches of mist and fog forming.
Pollen Forecast
Moderate on Sunday, low on Monday.
Solar UV Index
Moderate on Sunday, low to moderate on Monday.
TOMORROW - Monday 18th May
A dry and bright start for most tomorrow, with patches of mist and fog in places. Turning dull and damp as cloud in the southwest gradually spreads northeastwards through the morning with outbreaks of rain following in the afternoon. Highest temperatures of 11 to 14 degrees in moderate to fresh south to southeast winds.
National Outlook
Overview: Continuing unsettled with rain or showers but gradually becoming milder in a southwesterly airflow.
Monday night: Wet with widespread outbreaks of rain gradually clearing northeastwards. Scattered showers will follow from the southwest, turning heavy at times. Milder than previous nights with temperatures not falling below 8 to 11 degrees in a light to moderate southerly breeze.
Tuesday: Cloudy for most with widespread showers turning heavy and persistent at times. Breezy too with a moderate, occasionally fresh, southwest wind, and highest temperatures of 11 to 15 degrees.
Tuesday night: Continuing cloudy for most with showery outbreaks of rain. Lowest temperatures of 8 to 11 degrees in light to moderate southwesterly breezes.
Wednesday: A mix of sunny spells and scattered light showers at first. Turning cloudier from the southwest through the day as showers ease. Highest temperatures of 13 to 17 degrees in moderate, occasionally fresh southwesterly winds.
Thursday: A dull day for most with scattered outbreaks of rain and drizzle. Some mist and hill fog forming too. Highest temperatures of 14 to 18 or 19 degrees in mostly moderate southerly winds.
Further outlook: There is uncertainty in the details but further rain and showers are likely on Friday.
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.