Leinster

Issued at: 26 August 2026 06:00

TODAY - Wednesday 26th August

Mild this morning but rather dull and damp too, with some patchy rain. While sunny spells will gradually break through, well-scattered showers may occur, locally heavy and thundery later. Humid with highest temperatures of 19 to 22 degrees, in mostly light east to southeast breezes.

TONIGHT

Any lingering thundery 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 mostly light northeast or variable breezes. Towards morning, rain will begin to feed into southern fringes.

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. Rain across southern fringes will slowly extend to eastern and southern counties, heavy at times with the chance of thunderstorms and the potential for surface flooding. Highest temperatures of 18 to 21 degrees with mostly light northeast or variable breezes.

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. Highest temperatures of 18 to 23 degrees, warmest in the southeast with moderate west to northwest winds. 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. Sunshine and showers will follow from the west in the afternoon, with mostly dry weather following by evening. Highest temperatures of 16 to 21 degrees, coolest across northwest counties. Easterly breezes will becoming 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.