Leinster
Issued at: 27 August 2026 05:00
TODAY - Thursday 27th August
Dry for most to start today, with some areas of mist and fog. Outbreaks of rain in the south will gradually extend northwards through the morning, becoming heavy at times with the chance of thunderstorms bringing the potential for surface flooding. Highest temperatures of 18 to 21 degrees with mostly light northeast breezes.
TONIGHT
Outbreaks of rain will continue for most at first tonight, turning heavy in places with thunder possible. The rain will gradually ease, becoming patchier through the night. Mild with lowest temperatures of 14 to 16 degrees in light northwesterly or variable breezes. Patches of mist and fog will also form.
Pollen Forecast
Low.
Solar UV Index
Moderate.
TOMORROW - Friday 28th August
Any lingering rain in the east, as well as areas of mist and fog, will clear early on tomorrow to leave a bright day with sunny spells and scattered showers. Highest temperatures of 21 to 23 degrees with light, occasionally moderate, northwesterly breezes.
National Outlook
Overview: Unsettled with spells of rain and showers, turning heavy and thundery at times.
Friday night: Dry for most at first. Outbreaks of rain in the southwest will gradually extend over much of the country through the night, though northern areas may remain dry overall. Lowest temperatures of 12 to 16 degrees with mostly light variable breezes and some patches of mist and fog.
Saturday: A wet start for most with rain continuing. It will gradually clear eastwards through the morning and early afternoon with drier and brighter weather following. Highest temperatures of 16 to 21 degrees with light northerly breezes becoming westerly.
Saturday night: Mostly dry with clear spells. Outbreaks of rain and showers will move in from the west towards morning. Lowest temperatures of 10 to 14 degrees in light southerly or variable breezes with areas of mist and fog forming.
Sunday: Outbreaks of rain will become widespread, turning heavy at times with a chance of thunderstorms. Cooler than previous days with highest temperatures of 16 to 19 degrees in a light to moderate southerly breeze.
Monday: Breezy with showers feeding in from the west. Highest temperatures of 15 to 19 degrees in moderate, occasionally fresh, westerly winds.
Further outlook: Likely continuing unsettled on Tuesday and Wednesday with further rain and showers, and temperatures reaching the mid to high teens.
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.