Leinster

Issued at: 26 August 2026 13:30

TODAY - Wednesday 26th August

While sunny spells will gradually break through this afternoon, scattered showers will develop also, locally heavy, with the risk of thunderstorms later, mainly through the Midlands. Humid with highest temperatures of 19 to 22 degrees, in a light easterly breeze.

TONIGHT

Any lingering heavy showers will clear early tonight with dry weather following. However, some areas of mist and fog will set in. Mild and humid with temperatures not falling below 12 to 16 degrees, in light winds.

Pollen Forecast

Low today and on Thursday

More information

Solar UV Index

Moderate today and on Thursday

UV Index

TOMORROW - Thursday 27th August

Thursday will start off dry in many areas. However, rain in the south will push northwards through afternoon and evening, becoming heavy at times, especially in the south and east, with the chance of thunderstorms and intense downpours bringing the potential for surface flooding here. Highest temperatures of 18 to 21 degrees with a mostly light northeast breeze.

National Outlook

Overview: Unsettled with rain or showers, heavy or thundery at times.

Thursday night: Scattered outbreaks of rain will affect the country, locally heavy and thundery with the potential for some thunderstorms. However, it will likely become drier across the western half of the country. Patches of mist or fog may form in light variable mainly westerly breezes. Lowest temperatures of 13 to 16 degrees.

Friday will bring a mix of bright or sunny spells and scattered showers, some heavy and thundery, especially across Ulster during the afternoon and evening. Rather warm with highest temperatures of 18 to 23 degrees, warmest in the southeast with light to moderate northwest breezes. Dry for a time on Friday night, before wet weather arrives to the southwest and moves up much of the southern half of the country by morning.

On Saturday, low cloud and rain in the morning will quickly clear eastwards. Sunny spells and showers will follow from the west in the afternoon, with mostly dry weather following by evening with late sunshine. Highest temperatures of 16 to 21 degrees, coolest across northwest counties. Easterly breezes will become west to northwest later.

Sunday will be a dull wet day with outbreaks of rain for much of the day, heavy and persistent at times. Cooler everywhere with highest temperatures of 16 to 18 degrees and cyclonic variable mainly moderate westerly breezes.

Current indications suggest that the early days of next week will continue unsettled with rain or showers at times.